What will be the result of the first filial generation (F1) and the second filial...
BIOLOGY
JAMB 1990
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
Correct Answer: D. F1 flies all normal-winged and three-quarters of F2 flies are normal-winged
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