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34. Sickle cell anemia is a recessive trait. If both parents are carriers, what is the probability of a child with sickle cell anemia?

Hh x Hh

	H	h
H	HH	Hh
h	Hh	hh

 

HH - free of bad gene

Hh - carrying bad gene

Hh - carrying bad gene

hh - has sickle cell anemia

1/4 would be recessive and sickle-celled, 3/4 would be normal.