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? (2 points)
The children must be female like the mother to inherit the disorder.
The paternal grandfather must also carry the recessive allele.
The children's father must also carry the recessive allele.
The mother's father must also carry the recessive allele.

Answer 1

The children's father must also carry the recessive allele.