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Mnenie [13.5K]
3 years ago
5

How does crossing over contribute to genetic diversity​

Biology
1 answer:
77julia77 [94]3 years ago
3 0

Answer:

Crossing over, or recombination, is the exchange of chromosome segments between non-sister chromatids in meiosis. Crossing over creates new combinations of genes in the gametes that are not found in either parent, contributing to genetic diversity.

Explanation:

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Hello!:) can someone help me with this question?
Rashid [163]

Answer:

A sharks ecosystem should have a far and wide open waters and also should have salt water and no ordinary water. it should be around lots of fish so it has stuff to eat. last it needs to have other sharks to mate or keep the chain going.

Explanation:

6 0
3 years ago
DNA replication is Group of answer choices conservative. a one-step process. semi-conservative. not carried out by enzymes. not
Alex787 [66]

Answer:

The correct answer is: semi-conservative.

Explanation:

DNA replication is an important process in which the DNA is duplicated before cell division so each daughter cell can have a copy of genetic material.

DNA replication is <u>semi-conservative because one strand of DNA is new and the other one is the old strand</u>. To replicate itself, the DNA double helix is opened, and then each strand serves as a model for the new strands.

DNA replication is <u>not a one-step process</u>, as it takes several complicated steps in which <u>lots on enzymes participate</u> (like DNA polymerase and DNA helicase).

DNA replication is <u>also carried by prokaryotic cells</u>, though it's a much simpler process.

5 0
3 years ago
Write a paragraph of 150 words on the subject ‘different ways to protect ozone layer and prevent emission of hazardous gases’ fo
bogdanovich [222]

Answer:

There are a few different steps we can take to protect the ozone layer. As you know, the ozone layer is the layer that protects us from the sun’s powerful UV rays and it also protects us from other harmful things roaming in space. The first thing we can do to protect the ozone layer is reduce the use of natural gases. The gases produced from the natural gases had torn holes in the ozone layer. A way to prevent emissions of hazardous gases Is to switch to renewable energy. Renewable energy is not only easier to access and replace, solar panels and wind energy dont give off harsh and hazardous gases that mess with the ozone layer and the climate.

Explanation:

I don’t know how Many words that is. You can add to it if you feel the need to. I don’t know Hindi, maybe you can translate it on google?

5 0
3 years ago
Genes that control hair or feather color in some animals are expressed differently in the winter than in the summer. How might s
Delicious77 [7]
In the winter its color changes to more resemble their <em>winter</em> surroundings, so they are more white, enabling them to blend in better with their white surroundings. In summer, its color changes to more resemble its <u><em /></u><em>summer</em> surroundings, so they are more brown like the rocks and ground around them.
8 0
3 years ago
Which explains the outer gas planets when the solar system formed?
Korvikt [17]
The correct answer is B The young sun's solar winds pushed gases outward to the outer solar system.
6 0
3 years ago
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