11) Two syntenic genes, B and C, are located 25 cM apart in Drosophila. You cross a ccDD female fly to a male CCdd fly to produce F1 progeny. Next, you select an F1 female and perform a test cross. What proportion of the F2 progeny are expected to be ccDd? a) 12.5% b) 37.5% c) 25% d) 75% e) 50%
11) Two syntenic genes, B and C, are located 25 cM apart in Drosophila. You cross a ccDD female fly to a male CCdd fly to produce F1 progeny. Next, you select an F1 female and perform a test cross. What proportion of the F2 progeny are expected to be ccDd? a) 12.5% b) 37.5% c) 25% d) 75% e) 50%
Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN:9781305251052
Author:Michael Cummings
Publisher:Michael Cummings
Chapter6: Cytogenetics: Karyotypes And Chromosome Aberrations
Section: Chapter Questions
Problem 2QP: Given the karyotype shown at right, is this a male or a female? Normal or abnormal? What would the...
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Transcribed Image Text:11) Two syntenic genes, B and C, are located 25 cM apart in Drosophila. You cross a ccDD female fly
to a male CCdd fly to produce F1 progeny. Next, you select an F1 female and perform a test cross.
What proportion of the F2 progeny are expected to be ccDd?
a) 12.5%
b) 37.5%
c) 25%
d) 75%
e) 50%
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