Within a species, most genetic variation is expressed
A) in trivial differences.
B) in visible features.
C) in skin color.
D) in behavioral differences.
E) at the molecular level.
E
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Which cultural group/national group gives a child its father's last name differently depending on the gender of the child?
a. Finland b. Aymara c. Iceland d. Nigeria
Your father's sister's children and your mother's brother's children are your:
a. parallel cousins. b. patrilineal kin. c. cross cousins. d. matrilineal kin. e. vertical kin.
Human ABO blood types are determined by:
a. regulatory genes. b. multiple alleles. c. multiple genes. d. homeotic genes.
Which severe inherited hemoglobin disorder cases red blood cells to collapse when deprived of oxygen?
a. Cystic fibrosis b. Hemophilia c. Diabetes d. Tay-sachs disease e. Sickle-cell anemia