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Question
The A and B genes are 10 cm apart on a chromosome. If an AB/ab heterozygote is test crossed to ab/ab, how many of each progeny class would you expect out of 100 total progeny?
Options
25 AB, 25 ab, 25 Ab, 25 aB
10 AB, 10 ab
45 AB, 45 ab
45 AB, 45 ab, 5 Ab, 5aB
Solution
10 AB, 10 ab
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