If a mother carries a recessive allele for a genetic disorder, such as cystic fibrosis, under what circumstances will her children inherit the disorder?

A. The children must be female like the mother to inherit the disorder.
B. The paternal grandfather must also carry the recessive allele.
C. The children's father must also carry the recessive allele.
D. The mother's father must also carry the recessive allele.

I think the answer is A, is that correct??

Question

If a mother carries a recessive allele for a genetic disorder, such as cystic fibrosis, under what circumstances will her children inherit the disorder?

A. The children must be female like the mother to inherit the disorder.
B. The paternal grandfather must also carry the recessive allele.
C. The children's father must also carry the recessive allele.
D. The mother's father must also carry the recessive allele.

I think the answer is A, is that correct??

kainui · Answer

Nope, the genes for cystic fibrosis do not have any affect on the genes for gender.

anonymous · Answer

C. The children's father must also carry the recessive allele

so their will be possibility of forming recessive homologous i.e. phenotypic expression genetic disorder