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Stolb23 [73]
3 years ago
15

How many chromosomes does a human cell contain at the start of mitosis? How many chromosomes does a human cell contain at the en

d of cytokinesis?
Biology
1 answer:
Umnica [9.8K]3 years ago
6 0

Answer:

46 chromosomes

two chromosomes created at the end of  cytokinesis

Explanation:

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kondor19780726 [428]

Answer:

See the answer below

Explanation:

<em>Genotype is the genetic composition of organisms and a gene is made up of two alleles.</em>

a) Since the allele for black is B, <u>the genotype for black chickens would be BB. </u>

b) Since the allele for white is W, <u>the genotype for white chickens would be WW.</u>

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d) Two erminette were crossed:

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ii. <em>Probability of having a white chick (WW)</em> = 1/4

iii. <em>Probability of having erminette chicken (BW)</em> = 1/2

5 0
3 years ago
Why are the roles in different ecosystems the same but the species that fill them often different?
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Answer:

The ecosystems are different

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the new seedlings will be exposed to fresh air and sunlight which improve there germination.

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