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Asked by Latha | 23rd Oct, 2017, 09:06: PM

Expert Answer:

Genotypes and phenotypes of parents

The female parent will be homozygous because it has recessive white-eyed phenotype. The male parent is hemizygous, red-eyed.

Genotypes and phenotypes of offspring

All of the females eggs will contain an X chromosome with the white-eye mutation. The sperm will contain either a normal X chromosome or a Y chromosome. So, the daughter will have red eyed heterozygous and son will have white eyed homozygous.
 
So, the summary goes like this:
 
All females receive the dominant, red-eyed allele from their fathers and the recessive, white-eyed allele from their mothers. So, the answer is (c)

Answered by Sivanand Patnaik | 24th Oct, 2017, 08:37: AM