13. Mendelian Genetics
Sex-Linked Inheritance
Multiple Choice
Multiple ChoiceWhich of the following results of Thomas Hunt Morgan's experiments with white-eyed mutant flies was unexpected in light of Mendelian genetics?
A
In the parental cross, a white-eyed male was crossed with a red-eyed female. The F1 progeny all had red eyes.
B
The F1 flies were crossed with each other, and the F2 progeny included red-eyed and white-eyed flies in a 3:1 ratio.
C
The mutant allele (white eyes) was recessive.
D
All of the listed responses are correct.
E
Among the F2 progeny, only males had white eyes. All of the females had red eyes.
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