單項(xiàng)選擇題已知某兩對(duì)連鎖基因的重組率為10%,說(shuō)明在這兩對(duì)基因間發(fā)生交換的性母細(xì)胞數(shù)占全部母細(xì)胞的()

A.5%
B.10%
C.15%
D.20%


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