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Alleles for Hairy Body, Curled Wings, and Glass Eyes Are

Question 19

Multiple Choice

Alleles for hairy body, curled wings, and glass eyes are on the same Drosophila chromosome. There are 23.5 map units between hairy and curled and 13 map units between curled and glass. One percent of offspring from a test cross had double crossovers. Was crossover interference observed?


A) Yes. Interference is 67%
B) Yes. Interference is 33%
C) No. Interference is 0%
D) No. Interference is 100%

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