What will be the result of the first filial generation (F1) and the second filial generation (F2) of a mono-hybrid cross between pure line normal-winged Drosophilia flies and pure line short-winged flies, if the gene for the normal wing is dominant?
a
F1 flies all short-winged and F2 flies all normal-winged
b
F1 flies all normal and F2 flies all short-winged
c
F1 flies all short-winged and three-quarters of F2 flies are short-winged
d
F1 flies all normal-winged and three-quarters of F2 flies are normal-winged
Explanation
Correct Option
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Discussions (7)
Mira00
3 years ago
This is how I attempted the solution for those who need explanation:
"NN" for the pure line normal-winged flies which are dominant.
"ss" for the pure line short-winged flies.
N/B: Pure line also means "homozygous".
Prof E.C.G
12 years ago
I no evn undstnd dis qstn at all.lolz..abeg who knws d correct explanation to this??
