Many alleles cause phenylketonuria (PKU) .A unique mutation found only in Yemenite Jews is probably
A) more ancient than other PKU mutations.
B) a result of genetic drift.
C) due to a strong heterozygote advantage.
D) identical to the original allele.
Correct Answer:
Verified
Q1: In human populations,Hardy-Weinberg equilibrium is seen
A)in small,isolated
Q3: The collection of deleterious alleles in a
Q4: In an endogamous community,
A)many people marry people
Q5: The prevalence of a Y chromosome with
Q6: _ maintains deleterious alleles in a population.
A)Mutation
B)Migration
C)Random
Q7: A sharp cline may indicate
A)a sudden increase
Q8: In human populations,inbreeding results in
A)fewer heterozygotes and
Q9: Clines are created when
A)emigrants remove alleles and
Q10: A founder effect occurs when
A)geographic barriers separate
Q11: Consanguineous marriages are between men and women
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