Population Genetics and Selection

Which of the following is not an assumption required for Hardy-Weinberg equilibrium?

• Random mating
• No mutations
• Population size must fluctate
• No selection is occuring

A population is in Hardy-Weinberg equilibrium. The gene of interest has two alleles, with 16% of the population portraying the recessive phenotype. Which percentage of the population is heterozygous?

• 48%
• 36%
• 16%
• 24%

Tags

NGSS.HS-LS3-3

In the Hardy-Weinberg theorem, p refers to what?

• The frequency of the dominant allele.
• The frequency of the homozygous genotype.
• The frequency of the recessive allele.
• The frequency of the homozygous dominant.

In the Hardy-Weinberg Equation, q² is the frequency of what?

• The recessive allele 
• the dominant allele
• the recessive genotype
• the dominant genotype

If 98 out of 200 individuals in a population express the recessive phenotype, what percent of the population would you predict would be heterozygous?

• 70%
• 30%
• 42%
• 49%

Tags

NGSS.HS-LS3-3

Which Hardy-Weinberg equation represents the genotype frequencies in a population?

• p + q = 1
• p2 + 2pq + q2 = 1
• p2 + pq2 + q2 = 1
• p + 2pq + q3 = 1

Which Hardy-Weinberg factor represents the frequency of heterozygous individuals in a population?

• p2
• 2pq
• q2
• p2 + 2pq

A population of frogs has 37 individuals who are brown in color and 194 individuals who express the dominant green color. What is the dominant allele frequency for this population?

• 0.2
• 0.4
• 0.6
• 0.8

Tags

NGSS.HS-LS3-3

NGSS.HS-LS4-3

What do you call all of the genes in a population?

• Gene pool
• Relative Frequency
• Genetic Drift
• Allele pool

A population of 150 individuals has an allele frequency of 0.3 for the dominant allele (B) and a frequency of 0.7 for the recessive allele (b). Use the Hardy-Weinberg equation to determine the frequency of the genotype (bb).

• 0.09
• 0.42
• 0.49
• 0.21

Tags

NGSS.HS-LS4-3