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lesantik [10]
3 years ago
12

The major role meiosis plays in chromosomal inheritance is to

Biology
1 answer:
andrezito [222]3 years ago
5 0

Answer:

Doubles the amount of DNA and reduces the chromosome number from 2N to N.

Explanation:

Meiosis is a cell division in which one cell divides into 2 cells in the first meiotic division and then these two cells divide into two more cells so overall 4 cells are produced from one cell. This division occurs in gamete cells.

First, the amount of DNA gets double by converting the single-stranded DNA into double-stranded DNA. Then the homologous chromosomes get separated into two different cells in the first meiotic division and till now the chromosome number is 2N.  

After the second meiotic division, each sister chromatids of a chromosome gets separated into separate cells and the chromosome number in daughter cells becomes 1 N. So the major role of meiosis is to double the DNA mount and reduce the chromosome number by half in all daughter cells.

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jenyasd209 [6]
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7 0
3 years ago
I’m not sure if this is biology but it’s science
Ostrovityanka [42]

Answer:

science

Explanation:

4 0
3 years ago
A new mutation arises in one person on the island of Kiribati (human population size 100,000). Assuming this particular mutation
tatuchka [14]

Answer:

0.999999 ≈ 1

Explanation:

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Therefore the probability that the mutation will be lost due to genetic drift

= 2N - 1 / 2N ---- ( 1 )

given that ; N = 100,000

back to equation 1

P ( losing mutation due to genetic drift ) = ((2*100,000) - 1 )) / ( 2* 100,000 )

= ( 200,000 - 1 ) / 200,000

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5 0
2 years ago
Question 7
Nonamiya [84]

Answer:

fur with black hairs

Explanation:

Its because B denotes the dominant gene which express itself and supress the recessive one (b)

6 0
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