In an Amazonia beetle, purple color is caused by an X-linked allele; the other a

Question

In an Amazonia beetle, purple color is caused by an X-linked allele; the other allele at this locus causes green color. The female heterozygote has green and purple spots due to X-inactivation. What kinds of offspring would you expect form the cross of a spotted female and a green male

a.

purple or green females; purple or green males

b.

spotted or purple females; spotted or purple males

c.

spotted or green females; purple or green males

d.

only green females; only purple males

e.

spotted or purple females; purple or green males

Explanation / Answer

(purple spotted female) Pp X (Green male) Gg

The offspring obtained from above cross are spotted or purple females and purple or green males. The option e is correct.

male/ female PG Pg pG pg PG PPGG PPGg PpGG PpGg Pg PPGg PPgg PpGg Ppgg pG PpGG PpGg ppGG ppGg pg PpGg Ppgg ppGg ppgg

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