The ABO blood types are controlled by
a. pleiotropy.
b. multiple alleles.
c. incomplete dominance.
d. codominance.
e. multiple alleles and codominance.
E
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Indicate whether the statement is true or false.
In the science fiction film, When Worlds Collide, 100 individuals are selected to leave a doomed Earth in a spaceship to re-establish humanity elsewhere. This scenario illustrates
A) a founder effect. B) a mutation effect. C) a population funnel. D) a deleterious allele.
Meiosis _____ the parental chromosome number
a. doubles b. halves c. maintains d. mixes up
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a. pair of identical alleles b. pair of nonidentical alleles c. haploid condition, in genetic terms