Question

Sickle cell anemia is a recessive disorder that is only expressed if inherited from which of the following?

Both parents

Only the mother

Both grandparents

Only the father

Answer 1

@agreene @BioEpic @BIOCRYSTAL

Answer 2

Remember what is meant by recessive (think of punnet squares if that helps)

Answer 3

I would say both parents (because it is recessive homozygous).
U are in 10th grade, @laurisve ?
I am in 9th grade.

Answer 4

a recessive disorder needs two doses of the recessive gene ..so both the parents contribute to it.