In human, brown eyes (B) is dominant to blue eyes (b). The gene is located on autosome. A couple both with brown eyes has a son with blue eyes. We can know that the genotype of the couple are heterozygotes. A: 正确 B: 错误
In human, brown eyes (B) is dominant to blue eyes (b). The gene is located on autosome. A couple both with brown eyes has a son with blue eyes. We can know that the genotype of the couple are heterozygotes. A: 正确 B: 错误
1