a. Persons who are heterozygous for sickle-cell disease are also resistant to malaria.
b. About one in 10 African Americans is a carrier of sickle-cell disease.
c. Sickle-cell disease is common in tropical Africa.
d. Sickle-cell disease causes white blood cells to be sickle shaped.
e. All of the symptoms of sickle-cell disease result from the actions of just one allele.
2007-12-18 13:00:21 · 5 answers · asked by Anonymous in Science & Mathematics ➔ Biology
d. It's the red blood cells that are sickle shaped.
2007-12-18 13:13:01 · answer #1 · answered by greydoc6 7 · 2⤊ 0⤋
D. The red blood cells become sickled due to a change in the sequence of amino acids in hemoglobin.
2007-12-19 14:42:50 · answer #2 · answered by Zero 3 · 0⤊ 0⤋
D--white blood cells have nothing to do with sickle-cell anemia.
2007-12-18 21:14:22 · answer #3 · answered by TheAutumnPhoenix 3 · 0⤊ 0⤋
The first person is right
D) Is false
WBCs aren't sickle shaped!
RBCs are sicke shaped
as a result of a single point/amino acid mutation
2007-12-18 22:21:23 · answer #4 · answered by Anonymous · 0⤊ 0⤋
It sounds like item (e) is false, since they would not be hetero-zygous if it were true.
2007-12-18 21:25:18 · answer #5 · answered by Anonymous · 0⤊ 0⤋