The Map Distances for Four Linked Genes Are as Follows

question 47

Multiple Choice

The map distances for four linked genes are as follows: A is 22 cM from B, B is 7 cM from C, C is 9 cM from D, B is 2 cM from D, A is 20 cM from D, and A is 29 cM from C. Based on these data, what is the order of these four genes on the chromosome?

• A) ABCD
• B) ADBC
• C) ABDC
• D) BADC
• E) CADB

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