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Svetlanka [38]
3 years ago
15

Explain why crossing-over is an important source of genetic variation. written response

Biology
1 answer:
iren2701 [21]3 years ago
3 0

Answer:

When crossing over occurs, alleles are exchanged between homologous chromosomes, leading to new combinations of alleles.

Explanation:

Hope this helps!

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20. Summarize each of Newton’s three Laws.
Alenkasestr [34]

Answer:

An object in motion stays in motion unless an external force acts on it.

Explanation:

Newton's first law, the law of inertia, states that an object will remain at rest or in motion unless acted upon by another force.

6 0
2 years ago
A male deer (stag) has long and heavy antlers while the female (doe) does not, Explain the purpose of this genetic variation and
Liono4ka [1.6K]

Antlers are generally only found on male deer in other species of deer. Females with higher-than-normal testosterone levels, on the other hand, can grow antlers.

<h3>Why Do Deer Grow Antlers?</h3>

Antlers are grown by male deer to lure female deer for mating. Females will be shown a display as the antlers are developing during mating season, with each male attempting to become the most dominating.

Deer utilize their antlers to protect themselves from predators and other deer. When deer attack each other, their antlers might lock together, forcing the deer to starve to death.

For more information regarding antlers, visit:

brainly.com/question/17295060

#SPJ1

8 0
2 years ago
PLS HELP A red flower is crossed with a white flower, producing offspring that are all pink. If two
Crank

Answer: b : 25%

Explanation:

7 0
3 years ago
How will the excretory system respond when an animal is thirsty?
pashok25 [27]
I think B seems like the answer.
7 0
4 years ago
In crocodiles, the sperm and egg combine inside the body of the female. Then the female lays the eggs, and the young develops ou
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I believe the answer is B because the egg becomes fertilized by the sperm inside the body.
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