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Vinil7 [7]
3 years ago
14

When during the cell cycle do chromosomes first become visible?

Biology
1 answer:
Aleks [24]3 years ago
3 0

Answer:

chromosomes become visible during C)Prophase

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Many different types of mutations can occur within the body. Cystic fibrosis is a genetic disorder that is caused by different m
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The biosphere is made of different kinds of matter. Which substance is an
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Salt is the Inorganic matter.

Option D.

<h3><u>Explanation:</u></h3>

Organic matters are defined as those compounds of carbon expect the carbonates, bicarbonates, cyanides etc. These compounds were primarily thought to be produced only from the living organisms and were unable to be produced in laboratory. But later they were being produced in laboratory too.

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Here, in the question, we see the compounds -

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7 0
3 years ago
Which process takes place in the mitochondrion?
ser-zykov [4K]
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8 0
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Describe how a zygote with trisomy 21 is likely to<br> occur during fertilization.
maks197457 [2]

Answer:

If the paired chromosomes fail to separate during meiosis in the female, then the resulting daughter cells will receive either 2 or no copies of chromosome 21. If the resulting egg with 2 copies of chromosome 21 is fertilized with a normal sperm, the resulting zygote with be trisomy 21

Explanation:

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