Biology 251 - Genetics » Spring 2021 » Topic 14.1 Quiz

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Question #1
A population in Hardy-Weinberg equilibrium would be:
A.   moving freely and mating with other populations.
B.   mating preferentially for the dominant phenotype.
C.   mating by selecting the most fit mates.
D.   very large so sampling errors are negligible.
Question #2
The maximum frequency of a heterozygous genotype is:
A.   0.25
B.   0.75
C.   1.00
D.   0.50
Question #3
In a population of plants that have tall (T_) and short individuals (tt), the frequency of the dominant tall allele would be ____ if the frequence of the recessive t allele is 0.3.
A.   0.3
B.   0.9
C.   0.6
D.   1.00
E.   0.70
F.   0.09
Question #4
In a population of plants carrying the dominant red flower color allele (R) at a frequncy of 0.6 and the recessive white flower petal allele r at a frequency of 0.4, the frequency of the heterozygous genotype would be:
A.   1
B.   0.48
C.   0.24
D.   0.36
E.   0.16
Question #5
In a population of wild rabbits in Hardy-Weinberg equilibrium with a dominant allele for brown coat color (B) versus a recessive allele for white coat color (b), rabbits with the white phenotype appear with a frequency of 0.04. What is the frequency of the b allele?
A.   0.2
B.   0.02
C.   0.0016
D.   0.4
E.   0.04

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