Allele Frequency Questions

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

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

Tags

NGSS.HS-LS4-3

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

• p²
• q²
• p
• 2pq

Tags

NGSS.HS-LS4-3

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?

• 0.4
• 0.6
• .16
• .84

Tags

NGSS.HS-LS3-3

If a population has the following genotype frequencies: AA = 0.42, Aa = 0.46, and aa = 0.12, what are the allele frequencies?

• A = 0.42, a = 0.12
• A = 0.65, a = 0.35
• A = 0.6, a = 0.4
• A = 0.84, a = 0.24

Cystic fibrosis is a recessive condition that affects about 1 in 2,500 babies in the Caucasian population of the US. Calculate the frequency of carriers (heterozygous individuals) in the U.S. population.

• .02
• .98
• 4x10^-4
• .0392

Tags

NGSS.HS-LS3-3

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

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

What do you call all the genes in a population?

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

Which is a mechanism for change in allele frequency or an evolutionary force?

• genetic drift
• nonrandom mating
• natural selection
• all of the above

Tags

NGSS.HS-LS4-4

In a population of cats, short hair is dominant to long hair. If 16% of a breeder’s cats have short hair, what is the frequency of the recessive allele?

• 0.08 
• .4
• 0.6
• .92

Tags

NGSS.HS-LS3-3

In a population of humans, the frequency of no dimples is 0.36. If having no dimples is the recessive phenotype, what is the frequency of the recessive allele?

• 0.6
• 0.36
• 0.64
• 0.4

Tags

NGSS.HS-LS3-3