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Home Q & A Board Biology-Related Homework Help Cell Biology
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GwynethK GwynethK
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10 years ago
We start with a parent AaBbCc and perform a testcross with a homozygous recessive (aabbcc), resulting in the following data:

ABC/abc, abc/abc= 6972 (Parental)
abC/abc, ABc/abc= 3454 (B-C recombinants)
Abc/abc, aBc/abc= 60 (A-B recombinants)
aBc/abc, AbC/abc = 9 (double recombinants)

I understand the actual mathematics of determining the recombination frequencies, but I don't understand why abC/abc, ABc/abc is considered a B-C recombinant and Abc/abc, aBc/abc is an A-C recombinant. What am I missing here?
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#1
10 years ago
Could you update us on what you put?
Biology - The only science where multiplication and division mean the same thing.
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