Question

基因型為aabbce的桃子重120克，每產(chǎn)生一個顯性等位基因就使桃子增重15克，故AABBCC桃子重210克。甲桃樹自交，F(xiàn)₁中每桃重150克。乙桃樹自交，F(xiàn)₁中每桃重120～180克。甲、乙兩桃樹雜交，F(xiàn)₁中每桃重135-165克。甲、乙兩桃樹的基因型可能是

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A．甲AAbbcc，乙aaBBCC
B．甲AaBbcc，乙aabbCC
C．甲aaBBcc，乙AaBbCC
D．甲AAbbcc，乙aaBbCc

Answer 1

D