两对基因杂合体F1(AaBb)自交后代重组型等于亲组型的遗传是( )。
A.独立分配遗传
B.连锁遗传
C.母性遗传
D.性连锁遗传
参考答案:D
把下列句子中表示家庭成员的词找出来,写在后面的横线上。
1. This is my sister. _______________
2. My brother is tall. _______________
3. My father is a businessman. _______________
4. I love my grandma. _______________
5. My aunt is young. _______________
disinfection