Many alleles cause 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.
E) Present in 100% of the individuals.
Correct Answer:
Verified
Q18: A founder effect occurs when
A) whole populations
Q19: In an endogamous community,
A) many people marry
Q20: Genetic disorders such as Tay-Sachs disease,Bloom syndrome,Gaucher
Q21: Resistance of sickle cell disease carriers to
Q22: Deleterious alleles are eliminated from populations by
A)
Q24: The population of HIV variants in a
Q25: Which of these affects allele frequencies the
Q26: Which of these best represents natural selection?
A)Recessive
Q27: Control of human reproduction to achieve a
Q28: A genetic signature for positive selection is
A)
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