John and Jane are planning a family, but each has a brother who has sickle-cell disease, so they are concerned that their childr
en may develop sickle-cell disease. Neither John nor Jane nor their respective parents have the disease. They consult a genetic counselor who tells them that __________. there is no chance that any of their children will have sickle-cell disease
it's possible that they cannot produce a child with sickle-cell disease, but blood tests on them both will be required to make sure
all of their children will have sickle-cell disease
one of four of their children can be expected to have sickle-cell disease
The answer would be B: It's possible that they <u>cannot produce a child with sickle-cell disease</u>, but blood tests on them both will be required to make sure.
If the sickle cell ran through the parents jeans then that'll be more of a problem, there can always be a possibility that it is in themselves, but since their parents didn't pass it down to them, their almost in the clear.