某品种R1r1R2r2(粉红)×R1r1R2r2(粉红)交配,其后代中r1r1R2R2、R1r1R2r2和R1R1r2r2为粉红色,这种交配后代中粉红色个体的表型比例是()
A.4/16
B.6/16(正确答案)
C.1/16
D.2/16
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