Multiple Choice
In Drosophila, the genes for body coloration and eye size are on different chromosomes.Normal-colored bodies are dominant to ebony-colored (very dark) bodies, and normal-sized eyes are dominant to being eyeless.Line A is true breeding for normal body and normal eye, whereas line B is true breeding for ebony bodies and being eyeless.From a dihybrid cross between lines A and B, 400 flies are scored.How many F2 flies are expected to have ebony-colored bodies and normal eyes?
A) 9
B) 25
C) 75
D) 225
E) 300
Correct Answer:
Verified
Correct Answer:
Verified
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