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WorksheetsHardy-Weinberg Practice - Lower Level
Total questions: 71
Worksheet time: 1hrs 18mins
If 64% of the population has the recessive phenotype, what is the decimal frequency of the recessive genotype?
(a)
A population of 150 individuals has an allele frequency of 0.5 for the dominant allele (B) and a frequency of 0.5 for the recessive allele (b). Use the Hardy-Weinberg equation to determine the frequency of the genotype (bb).
(a)
A population of 150 individuals has an allele frequency of 0.1 for the dominant allele (B) and a frequency of 0.9 for the recessive allele (b). Use the Hardy-Weinberg equation to determine the frequency of the genotype (bb).
(a)
A population of 150 individuals has an allele frequency of 0.4 for the dominant allele (B) and a frequency of 0.6 for the recessive allele (b). Use the Hardy-Weinberg equation to determine the frequency of the genotype (bb).
0.36
0.72
If p=0.2, what does q equal?
(a)
If p=0.3, what does q equal?
(a)
If p=0.2, what does q equal?
(a)
If p=0.1, what does q equal?
(a)
frequency of homozygous dominant individuals
p2
pq2
q2p
p x q
frequency of heterozygous individuals
pq2
6qp
2pq
op5
frequency of homozygous recessive individuals
pq2
q2
op2
p2
What does the "p" stand for in the Hardy-Weinberg equations?
dominant allele frequency
population
color of animal
recessive allele frequency
Which of the following conditions is necessary for a population to be in Hardy-Weinberg equilibrium?
Non-random mating
Large population size
High mutation rate
Natural selection
In a population at Hardy-Weinberg equilibrium, if the frequency of the recessive allele is 0.3, what is the frequency of the dominant allele?
(a)
In the Hardy-Weinberg equation p2+2pq+q2=1 , what does 2pq represent?
Frequency of the homozygous dominant genotype
Frequency of the heterozygous genotype
Frequency of the homozygous recessive genotype
Total allele frequency
In a population at Hardy-Weinberg equilibrium, if the frequency of the dominant allele is 0.6, what is the frequency of the heterozygous genotype?
(a)
In a population at Hardy-Weinberg equilibrium, if the frequency of the dominant allele is 0.3, what is the frequency of the heterozygous genotype?
(a)
In a population at Hardy-Weinberg equilibrium, if the frequency of the dominant allele is 0.2, what is the frequency of the heterozygous genotype?
(a)
Which of the following is NOT a condition for Hardy-Weinberg equilibrium?
No natural selection
Small population size
No migration
Random mating
If the frequency of the homozygous recessive genotype is 0.09, what is the frequency of the recessive allele?
(a)
If the frequency of the homozygous recessive genotype is 0.2, what is the frequency of the recessive allele?
(a)
What is the expected frequency of the homozygous dominant genotype in a population where the dominant allele frequency is 0.4?
0.48
0.64
0.36
0.16
In a population at Hardy-Weinberg equilibrium, if the frequency of the dominant allele is 0.7, what is the frequency of individuals with the recessive phenotype?
(a)
In a population at Hardy-Weinberg equilibrium, if the frequency of the dominant allele is 0.6, what is the frequency of individuals with the recessive phenotype?
0.36
0.16
0.49
0.21
In a population at Hardy-Weinberg equilibrium, if the frequency of the homozygous dominant genotype is 0.36, what is the frequency of the dominant allele?
0.36
0.6
0.64
0.8
Which of the following factors can disrupt Hardy-Weinberg equilibrium by introducing new alleles into a population?
Genetic drift
Large population size
Mutation
Random mating
What is the expected frequency of the homozygous recessive genotype in a population where the frequency of the recessive allele is 0.4?
(a)
Which of the following can cause a population to deviate from Hardy-Weinberg equilibrium by changing allele frequencies due to random events?
Genetic drift
Mutation
Natural selection
Gene flow
Which of the following is a condition that must be met for a population to remain in Hardy-Weinberg equilibrium?
High mutation rate
Small population size
No gene flow
Non-random mating
If the frequency of the dominant allele is 0.8, what is the expected frequency of the homozygous dominant genotype in a population at Hardy-Weinberg equilibrium?
0.64
0.04
0.32
0.16
If the frequency of the dominant allele is 0.6, what is the expected frequency of the homozygous dominant genotype in a population at Hardy-Weinberg equilibrium?
(a)
In a population at Hardy-Weinberg equilibrium, if the frequency of the recessive allele is 0.3, what is the frequency of the dominant allele?
(a)
Which of the following conditions is necessary for a population to be in Hardy-Weinberg equilibrium?
Non-random mating
Large population size
High mutation rate
Natural selection
If a recessive disorder is found to affect 1 in 500 live births, what is the frequency of the dominant allele?
0.002
0.9553
0.0447
0.9125
In the Hardy-Weinberg equation p2+2pq+q2=1 , what does 2pq represent?
Frequency of the homozygous dominant genotype
Frequency of the heterozygous genotype
Frequency of the homozygous recessive genotype
Total allele frequency
If 30% of flowers are white, and white is recessive, what is the frequency of the recessive allele?
0.55
0.82
0.34
0.18
If 40% of flowers are white, and white is recessive, what is the frequency of the recessive allele?
0.55
0.63
0.34
0.18
If 24% of flowers are white, and white is recessive, what is the frequency of the recessive allele?
0.55
0.82
0.49
0.18
If there are 3 recessive phenotype bunnies out of 10 bunnies, what is q2 equal to?
0.30
0.09
0.47
0.55
Which of the following factors can cause a population to deviate from Hardy-Weinberg equilibrium by altering allele frequencies through selective pressures?
Mutation
Natural selection
Gene flow
Genetic drift
If the frequency of the homozygous recessive genotype is 0.25, what is the frequency of the recessive allele in a population at Hardy-Weinberg equilibrium?
(a)
A ____________consists of all genes, including all the different alleles, that are present in a population.
genetic equilibrium
gene pool
allele pond
genetic drift
If the frequency of the recessive allele is 0.2, what number of individuals would have the recessive phenotype, out of 2000 total?
(a)
If the frequency of the recessive allele is 0.4, what number of individuals would have the recessive phenotype, out of 2000 total?
(a)
If the frequency of the recessive allele is 0.25, what number of individuals would have the recessive phenotype, out of 2000 total?
(a)
If the frequency of the recessive allele is 0.15, what number of individuals would have the recessive phenotype, out of 2000 total?
(a)
The allele frequency of p=.20 What is the percentage of recessive genotype?
.80
.04
.32
.64
A population's recessive allele frequency 25%. What is the percentage of the Heterozygous genotype?
.5625
.3750
.0625
.25
.5
Which of the following is a consequence of genetic drift in small populations?
Increased genetic variation
Decreased genetic variation
Stable allele frequencies
Increased mutation rates
Which factor can disrupt Hardy-Weinberg equilibrium by introducing new alleles into a population?
Random mating
Gene flow
Large population size
Genetic drift
In a population where the frequency of the dominant allele (A) is 0.7, what is the expected frequency of the homozygous recessive genotype (aa) under Hardy-Weinberg equilibrium?
0.09
0.30
0.49
0.21
If the recessive allele frequency is 45%, what is the frequency of individuals with a homozygous recessive genotype?
(a)
If the frequency of the dominant allele is 0.32, what is the frequency of recessive phenotype individuals in this population?
(a)
If q2 = 0.38, how many of the individuals in this population of 5500 would have a recessive phenotype?
(a)
If q2 = 0.47, how many of the individuals in this population of 5500 would have a recessive phenotype?
(a)
If p2 = 28%, what number of individuals out of a population of 1200 would have a homozygous dominant genotype?
(a)
If the recessive allele frequency is 0.2, how many individuals in a population of 8500 would be homozygous recessive?
(a)
If the recessive allele frequency is 0.3, how many individuals in a population of 8500 would be homozygous recessive?
(a)
If the recessive allele frequency is 0.1, how many individuals in a population of 8500 would be homozygous recessive?
(a)
A population of 450 individuals has an allele frequency of 0.35 for the dominant allele (B). What is the frequency of the genotype bb?
(a)
A population of 450 individuals has an allele frequency of 0.35 for the dominant allele (B). What is the frequency of the genotype BB?
(a)
A population of 450 individuals has an allele frequency of 0.47 for the dominant allele (B). What is the frequency of the genotype bb?
(a)
A population of 450 individuals has an allele frequency of 0.62 for the dominant allele (B). What is the frequency of the genotype bb?
(a)
If 41% of the population has a recessive phenotype, about how many of the 580 individuals have the dominant phenotype?
(a)
If 41% of the population has a recessive phenotype, about how many of the 580 individuals have the recessive phenotype?
(a)
If 18% of the population has a recessive phenotype, about how many of the 580 individuals have the dominant phenotype?
(a)
If 18% of the population has a recessive phenotype, about how many of the 580 individuals have the recessive phenotype?
(a)
