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nika2105 [10]
4 years ago
7

Image courtesy of NASA

Biology
1 answer:
Alinara [238K]4 years ago
8 0
Oval C would represent answer C. The Nile River Valley
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Identify the genotypes of the male and female flies used in cross 2.
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Answer:

Mother - XAXA

Father - XY

Explanation:

Please see the attached image - complete question

Solution -

In the second cross the female is affected while the male is unaffected

The disease mentioned in the question is dominant X inked which means even one X chromosome can cause the disease. Thus, it will impacts males more than females.

Let the allele representing a diseased X gene be XA

and the allele for normal X gene be X

The offspring have all diseased males, which means that the genotype of affected female will be XAXA

And the genotype of unaffected male will be XY

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