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It is known that genes D, E and F are located on a same chromosome orderly. The gentic dis

3. It is known that genes D, E and F are located on a same chromosome orderly. The gentic distance of D—E and E—F are 20cM and 20cM, respectively. When doing the testcross of the progeny of cross DDEEFF × ddeeff, in the offspring, we found that there wer 2% DdeeFf and 2% ddEeff. Can you determine what the coefficient of coincidence is？

A、1

B、0.5

C、0

D、can not determine

提问人：网友jimison 发布时间：2022-01-07

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