in fruit flies (drosphilia), one eye color Gene is x-linked, with a recessive white allele and a dominant red allele. if white e ye female flies were bred to red eyed male Flies, what would be the expected Offspring (assume all parent toll flies are purebred)
2 answers:
4 heterozygous offspring.the offspring will have red eyes but with the recessive white eye trait.
Answer:
XR Y
Xr XRXr XrY
Explanation:
Hello!
r: recessive white allele
R: dominant red allele
XX: female
XY: male
XrXr: white-eyed female. A possible gamete Xr (
assuming a homozygous female)
XRY: red-eyed male. Possible XR and Y alleles.
50% of the offspring will be heterozygous female with red-eye phenotype (dominant)
50% of the offspring will be male with white eyes phenotype (recessive).
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