if there is not crossing over,tha gametes are

Answers

Answer 1
If crossing over does not happen the product is parental gametes. Meaning there is less genetic variation.

Related Questions

What would be the correct mRNA sequence for the DNA sequence reading: TAC-GCA-TGG?A) ATG-CGT-ACCB) TUC-GCU-UGGC) AUG-CGU-ACCD) TAC-GCT-AGG

Answers

We have to consider that nitrogenous bases are those molecules in which our genes are written. The DNA can vary between species from thousands to millions of these molecules, and we classify them also in purines (Adenine and Guanine) and pyrimidines (Cytosine, Thymine, and Uracil (present only in RNA)), both complements each other, so we cannot find purines linked to purines or pyrimidines linked to pyrimidines, but also purines linked to pyrimidines, and we can differentiate one from the other in the fact that purines have two carbon rings instead of one, like pyrimidines.

So the mRNA for a DNA fragment that has TAC-GCA-TGG, is the following:

C) AUG-CGU-ACC.

elect the correct answer.
Which of the following observations supports the hypothesis that the scarps on Mercury were formed from recent tectonic activity on the planet?
a.their size and sharp edges
b.their location on Mars
c.the nearby impact craters
d.the nearby shifting rubble

Answers

I think it would be a

HELPP ALOT OF POINTS WILLGIVE BRAINILIEST
how do prairie plants provide habitat for pollinators?

Answers

Answer:

Prairie plants provide habitat for pollinators such as bees, birds, and butterflies by providing sources of food and shelter. Prairie plants also help optimize reconstructions of habitats for pollinators, which is an important ecosystem service. Additionally, prairies play an important role in the larger ecosystem.

Explanation:

Answer:

Pollinators need prairies AND prairies need pollinators.

Explanation:

Yet, they grow food for many of our insect species. Not only do prairies provide nectar and pollen from wildflowers, they provide shelter and nesting places.

Two charged particles are shown below. Particle A has a charge of –3.0 × 10–5 C. Particle B is located 3 cm directly to the left of Particle A and has a charge of +4.0 × 10–5 C. Compare the magnitude and direction of the electrostatic force acting on Particle B to the force acting on Particle A.

Answers

The direction of the force acting on Particle A is towards Particle B.

The electrostatic force between two charged particles is given by Coulomb's law:

Which states that the force between two charges is proportional to the product of their charges and inversely proportional to the square of the distance between them.

The magnitude of the force acting on Particle B is given by:

F = k * |q1 * q2| / r^2

where k is the Coulomb constant (8.99 × 10^9 Nm^2/C^2), q1 and q2 are the charges of Particles A and B, r is the distance between them.

The magnitude of the force acting on Particle B is:

F = 8.99 × 10^9 * |-3.0 × 10^-5 * 4.0 × 10^-5| / (0.03)^2 = 3.24 × 10^-5 N

The direction of the force acting on Particle B is towards Particle A, since the charges have opposite signs.

Similarly, the magnitude of the force acting on Particle A is

F = 8.99 × 10^9 * |-3.0 × 10^-5 * 4.0 × 10^-5| / (0.03)^2 = 3.24 × 10^-5 N

The direction of the force acting on Particle A is towards Particle B.

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How did the stop codon mutation in Lucy’s ADA gene stop her ADA protein from working?

Answers

Answer:

The stop codon mutation in Lucy's ADA gene stopped her ADA protein from working by putting a hault to the process of translation.

Explanation:

This stopped it from working because it lead to a protein that was then nonfunctional.

When jaw become large enough to hold the permanent teeth . The milk teeth fall and permanent teeth appear

Answers

The "exfoliation" or "shedding" of milk teeth is the name of the procedure.

What is the Dentition of Humans?

The primary and permanent tooth sets make up the human dentition. Maxillary (upper) and Mandibular (lower) are the two opposing arches in which teeth are arranged. These can be split into their left and right halves along the midline (mid-sagittal plane).

Four Different Teeth Types and Their Purposes

The majority of individuals have 32 permanent adult teeth, which can be classified into four groups:

Incisors, Canines, Premolars, and Molars.

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Explain how diffusion restored homeostasis during the dialysis treatment.

Answers

During dialysis, diffusion facilitates the movement of waste products and excess fluids out of the blood, restoring homeostasis.

During dialysis treatment, diffusion plays a crucial role in restoring homeostasis. Homeostasis refers to the body's balanced state, where the levels of various substances are maintained within a narrow range. In the context of dialysis, diffusion refers to the movement of solutes across a semipermeable membrane.In hemodialysis, the patient's blood is circulated through a dialyzer, which contains a semipermeable membrane. On one side of the membrane, the patient's blood flows, while on the other side, a dialysate fluid flows. Due to a concentration gradient, solutes like urea, creatinine, and excess electrolytes in the blood diffuse across the membrane into the dialysate fluid.This diffusion process helps remove waste products and excess fluids from the blood, bringing it closer to the normal physiological range. By restoring the balance of solutes and maintaining proper fluid levels, diffusion in dialysis aids in restoring homeostasis and promoting the overall well-being of the patient.

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Which one would you rather be?
A. wolf
B. shark
C. cat
D. fish
E. lizard

Answers

Answer:

A wolf

Explanation:

Hope this helps! Have a good day

PLEASE HELP MEEEEEE!!!!!
Insulin is a hormone that helps regulate blood glucose levels. Insulin is made by pancreatic cells in response to increased glucose levels in the blood after a meal. Insulin binds to receptors on liver cells and stimulates them to polymerize glucose to form glycogen. Which of the following physiological responses will most likely occur if insulin stops being made by pancreatic cells?
A. Increased glucose levels eventually stimulate glycogen breakdown in liver cells. OB. Signals sent from liver cells to the brain stimulate the appetite for more food.
C. Liver cells produce more insulin receptors on their cell surface.
D. Glycogen levels fall in liver cells and high amounts of glucose build up in blood.​

Answers

Explanation:

The correct answer is _D_. The main function of insulin is to remove excess glucose from the blood and store it in the liver cells as glycogen. If insulin stops being made and secreted by the pancreatic cells, glucose will not be taken up by the cells and stored as glycogen, thus glycogen levels in the liver will fall, and glucose will accumulate in the blood.

i searched it on the internet hope it helped

What is it called when NADP+ becomes NADPH?

Answers

Answer:

This process is called phosphorylation(addition of phosphate) and since the energy comes from photons, this process is termed as photophosphorylation. Yes, the same NADPH donates its hydrogen to combine with CO2 to form glucose (C6H12O6) to become NADP again.

Explanation:

Answer:

The two reactions use carrier molecules to transport the energy from one to the other. ... The lower energy form, NADP+, picks up a high energy electron and a proton and is converted to NADPH. When NADPH gives up its electron, it is converted back to NADP+.

Explanation:

Explain if you are bothered by working conditions at Foxconn plants. Do you worry that the production of a phone might have contributed to a death of a worker

Answers

Answer:

Yes.

Explanation:

Yes, I am bothered by working conditions at Foxconn plants and do worry about the production of a phone that might have contributed to a death of a worker. If the working conditions are not satisfactory and the life of the worker are in danger so I worry about the lives of workers that work at Foxconn plants because of unsafe condition of work and stop the workers from working until safety measures should be implemented.

If bacteria transformed with a recombinant pUC18 plasmid produce white colonies when grown on plates containing ampicillin and Xgal, which of the following is least likely?

a. They produce β-lactamase that provides resistance to ampicillin.
b. They carry a vector that contains a DNA fragment inserted into the multiple cloning site.
c. They produce functional β-galactosidase that cleaves X-gal.
d. They carry a vector with a lacZ gene that has been disrupted and rendered nonfunctional.
e. They carry a vector with the bla gene used as the selectable marker.

Answers

Answer:

c. They produce functional β-galactosidase that cleaves X-gal.

Explanation:

β-galactosidase is an enzyme capable of catalyzing the enzymatic hydrolysis of β-galactosides into monosaccharides by hydrolyzing the β-glycosidic bond. On the other hand, X-gal is an analog of lactose composed of galactose, which is widely used in laboratories for the detection of β-galactosidase. In the presence of β-galactosidase, X-gal is hydrolyzed by cleaving its β-glycosidic bond, thereby confirming the presence of β-galactosidase.

HELPPP ASAP! TIMED! 10 MINUTES LEFTT! How is cold front formation different from stationary front formation?
A.Stationary fronts form between warm and cold air masses, while cold fronts form when a cold air mass advances
against a warm air mass.
B.Cold fronts form between two air masses that barely move, while stationary fronts form when a warm air mass is
trapped between two cold air masses.
C.Cold fronts form when a warm air mass moves over a cold air mass, while stationary air fronts form when a cold
air mass moves over a warm air mass.
D.Stationary fronts form when a warm air mass is trapped between two cold air masses, while cold fronts form when
a warm air mass moves over a cold air mass.

Answers

Answer: Stationary fronts form between warm and cold air masses, while cold fronts form when a cold air mass advances against a warm air mass. Cold fronts form between two air masses that barely move, while stationary fronts form when a warm air mass is trapped between two cold air masses.

Explanation:

(ix) Rh blood group system is encoded by three genes C, D and E which occupy----
tightly linked loci
(A) four
(B) three
(C) five
(D) two

Answers

Rh blood group system is encoded by three genes C, D and E which occupy 3 tightly linked loci. Option B

What should you know about Rh blood group system?

The Rh blood group system is typically considered to be encoded by three loci namely; one for RHD, and two for the RhCE (C and E) antigen variations.

The RHD locus is known to encode the D antigen, which is the most important Rh antigen.

The RhCE locus encodes the C and E antigens, which are less common than the D antigen.

The Rh blood group system is important for blood transfusions, as it determines whether or not a person's blood is compatible with another person's blood.

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Post-translational modifications of proteins may include which of the following processes?

Answers

Post-translational modifications of proteins makes them functional and include:

methylationaddition of disulphide bridges folding phosphorylation

What is post-translational modification of proteins?

Post-translational modifications of proteins refers to modifications that are made on new synthesized proteins after synthesis at the ribosomes.

Post-translational modifications of proteins are important as they help to convert the proteins into their active forms.

Some post-translational modifications of proteins include:

methylationaddition of disulphide bridges folding phosphorylation

Therefore, post-translational modifications of proteins are required to make proteins functional.

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involves duplication of chromosomes mitosis or meiosis

Answers

Mitosis is an essential biological process. A cell duplicates its contents, including its chromosomes, and splits to form two identical daughter cells during mitosis.

Mitosis results in the formation of two identical daughter cells, each with the same number of chromosomes as the parent cell. In contrast, meiosis produces four distinct daughter cells, each with half the number of chromosomes as the parent cell. Because meiosis generates cells that will become gametes (or reproductive cells), this reduction in chromosome number is critical; without it, the union of two gametes during fertilization would result in offspring with twice the normal number of chromosomes.

Apart from the chromosome number reduction, meiosis differs from mitosis in another way. Meiosis, in particular, generates new genetic material combinations in each of the four daughter cells. These new combinations are the result of DNA exchange between paired chromosomes.

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The main difference between stream pools and ponds is that stream pools

Answers

Ponds and lakes are inland bodies of water that can be either natural or manmade. Lakes are typically larger than ponds and are fed by rivers. Stream pools are a part of a river or creek where the movement of water is slower and there is a greater water depth.


Did cellular respiration occur in trial 3 with the yeast and sugar?

Yes or no

Answers

The key ingredient for making fluffy bread is yeast. Yeast is a single-celled fungus, which is alive and must make its own energy to survive. The yeast in your bread uses a process called cellular respiration, where glucose is converted to ATP and carbon dioxide. The carbon dioxide is what causes the bread to rise.

similarities between renal atery and renal vein

Answers

Answer:

Arteries are blood vessels responsible for carrying oxygen-rich blood away from the heart to the body. Veins are blood vessels that carry blood low in oxygen from the body back to the heart for reoxygenation.

Explanation:

Vincent is considering buying a creatine supplement after he saw a variety of these ergogenic aids advertised in a fitness magazine. Which of
the following is a common deceptive marketing tactic that he should watch out for?

A. an offer for a free mail-order anabolic assessment

B. a recommendation to assess body composition through underwater weighing
C.evidence about creatine's effect on resistance exercise and sprinting
D. a warning about creatine's short-term side effects

Answers

Answer:

A

Explanation:

the answer to this question is A

For considering buying a creatine supplement after he saw a variety of these ergogenic aids advertised in a fitness magazine here the exceptional things should be left out and one should focus on his own body. The correct answer is option A.

What is anabolic reaction ?

It is defined as the sum of all the reactions that are taking place inside the body that are dealing with the formation of products in itself.

The marketing tactic that is dealing with the free of cost along with that winning customers' trust and the response of the customers in order to prove trust and faith in the product thus here in this process the person should opt totally for an offer for a free mail-order anabolic assessment.

Giving any kind of scientific information about the product would lead to certain problems and the issues in claiming any kind kind of medical knowledge thus this is the helpful option for this.

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If an enzyme could not break
down hydrogen peroxide in a
cell, the levels would become —-?
and result in cell death.

More basic
Too diluted
Too toxic
Non-nutritive

Answers

The addition of hydrogen peroxide in the cell breaks down the enzymes and causes cell death. The fact that hydrogen peroxide (H2O2) is stable in abiotic environments at room temperature and has a neutral pH makes it stand out from other general toxins. However, it kills cells quickly by producing highly reactive hydroxyl radicals.

Hydrogen peroxide is a byproduct of metabolism that can cause harmful effects. It can fall to pieces to yield hydroxyl extremists that assault significant biochemicals like proteins and DNA. It is also used for catalase tests in bacterial cultures.

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b) What is DNA? What is a Gene?

Answers

Your DNA is what makes you uniquely you. It's that double helix that your genes are made of. ... DNA stands for deoxyribonucleic acid, sometimes called "the molecule of life," as almost all organisms have their genetic material codified as DNA.

The force that
Governs the
The greater the
The
system - this explains why the planets
all objects with
of the

of an object, the greater amount of
has more gravitational force than any of the
around the Sun
toward one another
force
in the solar

Answers

Answer:

the greater amounts of has more gravitational force than any of the around of sun toward one another force in the solar

Antimicrobial peptides can do all of the following except:_________A) regulate body temperature.B) target intracellular components.C) insert themselves into target cell membranes.D) disrupt plasma membrane and/or cell wall.E) stimulate leukocytes.

Answers

Answer:

Option A

Explanation:

Antimicrobial peptides cannot regulate body temperature. They can do all of the rest.

=> target intra cellular components.

=> insert themselves into target cell membranes.

=> disrupt plasma membrane and/or cell wall.

=> stimulate leukocytes.

Which of the following would likely diffuse through the lipid bilayer of a plasma membrane most rapidly?

a) sucrose
b) an amino acid
c) O2
d) Na+

Answers

Answer:

Which of the following would likely diffuse through the lipid bilayer of a plasma membrane most rapidly? it's o2

Given its ease of passage through cell membranes, water is the chemical most likely to be involved in simple diffusion. Water simply diffuses across a medium during osmosis. Thus, option C is correct.

What would likely diffuse through the lipid bilayer?

Small and nonpolar molecules are the ones that can easily diffuse through the membrane. Due to its tiny size and nonpolar nature, oxygen can easily pass through the membrane's phospholipids. The transportation of membrane proteins will be necessary for alternative solutions.

The only molecules that can freely diffuse across cell membranes are the smallest ones, including water, carbon dioxide, and oxygen. Energy input is frequently needed to transfer larger or charged molecules into the cell.

Therefore, oxygen would likely diffuse through the lipid bilayer of a plasma membrane most rapidly.

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Is it True or false ? the term necrosis refers to the death of the cells comprising the gingival epithelium in necrotizing periodontaldiseases. there are no clinical signs to distinguish necrotizing gingivitis from plaque-induced gingivitis.

Answers

it is false that there are no clinical signs to distinguish necrotizing gingivitis from plaque-induced gingivitis.

What is necrosis?

The term necrosis does refer to the death of cells, and in the context of the gingival epithelium, necrosis can occur in necrotizing periodontal diseases

However, it is false that there are no clinical signs to distinguish necrotizing gingivitis from plaque-induced gingivitis. Although both conditions can result in gum inflammation and bleeding, necrotizing gingivitis typically presents with more severe symptoms, such as pain, ulceration, and destruction of gum tissue. Additionally, necrotizing gingivitis is more likely to occur in individuals with underlying medical conditions or who have compromised immune systems.

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A proton is
Which of the following completes the sentence above?
A
located in the orbital of an atom.
B
a part of an atom that does not have a charge.
C
a part of an atom that can lose an electron and become negatively charged.
D
the part of an atom counted to determine the atomic number of an element.
westion 1 of 5
Run corint

Answers

Answer:

D the part of an atom counted to determine the atomic number of an element

D is correct. The number of protons defines the identity of an element.

Select the correct labels on the image.
Which organelles in a plant cell are involved in converting food to energy during cellular respiration?
Membrance
Golgi
apparatus
Chloroplast
PLANT CELL
Rough
endoplasmic
reticulum
Cell wall
Ribosomes
O
Cytoplasm
Vacuole
Mitochondrion
Perixosome
Nucleus

Select the correct labels on the image.Which organelles in a plant cell are involved in converting food

Answers

Answer:It Mitochondrion

Explanation:

answer: mitochondrion and cytoplasm

explanation: cellular respiration is a processes that begins in the cytoplasm/cytosol and ends in the mitochondrion. it takes sugars made by photosynthesis and breaks them down in a multi-step process to yield ATP/cellular energy. the anaerobic processes occur in the cytosol and the aerobic processes occur in the mitochondrion!

14. A(n)
__ is when a single base pair is altered.
substitution
point mutation
deletion
insertion

Answers

Answer:

point mutation

Explanation:

You are testing a baby in the womb for a chromosomal disorder. The best test would be a

Answers

Chorionic villus sampling (CVS) or amniocentesis are the best prenatal tests for chromosomal issues.

In order to conduct genetic testing, amniotic fluid or foetal cells must be used. Considerations like gestational age, motivation, and availability must be made while choosing between CVS and amniocentesis.

Any test can identify chromosomal anomalies including Down syndrome, Turner syndrome, and genetic disorders like cystic fibrosis. By analysing the patient's medical history, a doctor or genetic counsellor can assist in determining which test is best for them.

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