Hardy Weinberg Extra Practice

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

Tags

NGSS.HS-LS2-2

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?

• 0.19
• 0.44
• 0.56
• 0.75

Tags

NGSS.HS-LS3-3

NGSS.HS-LS4-3

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

Tags

NGSS.HS-LS3-3

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 in the U.S. population. 

• .98
• .06
• .02
• .04

Tags

NGSS.HS-LS3-3

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

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

What does the variable q represent?

• Frequency of the heterozygote genotype
• Frequency of the homozygous recessive genotype
• The frequency of the recessive allele
• The frequency of the dominant allele 

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

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

Tags

NGSS.HS-LS4-2

Which is a mechanism for change in allele frequency?

• gene flow
• genetic drift
• natural selection
• all of the above

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

• 0.16
• 0.84
• 0.4
• 0.8

Tags

NGSS.HS-LS3-3