Hardy-Weinberg and Natural Selection

If the frequency of two alleles in a gene pool is 90% A and 10% a, what is the frequency of individuals in the population with the genotype Aa?

• 0.81

• o.09

• 0.18

• 1.01

Tags

NGSS.HS-LS2-2

NGSS.HS-LS4-3

If a population experiences no migration, is very large, has no mutations, has random mating, and there is no selection, which of the following would you predict?

• The population will evolve, but much more slowly than normal

• The makeup of the population's gene pool will remain virtually the same as long as these conditions hold.

• The composition of the population's gene pool will change slowly in a predictable manner.

• Dominant alleles in the population's gene pool will slowly increase in frequency while recessive alleles will decrease.

• The population probably has an equal frequency of A and a alleles.

Which of the following is NOT a condition that must be met for Hardy-Weinberg equilibrium?

• Large population size

• No mutations

• No immigration or emigration

• Dominant alleles are more frequent than recessive alleles

• No natural selection

In a population that is in Hardy-Weinberg equilibrium, the frequency of the homozygous recessive genotype is 0.09. What is the frequency of individuals that are homozygous for the dominant allele?

• 0.7

• 0.21

• 0.42

• 0.49

• 0.91

Tags

NGSS.HS-LS4-3

In humans, Rh-positive individuals have the Rh antigen on their red blood cells, while Rh-negative individuals do not. If the Rh-positive phenotype is produced by a dominant gene (A), and the Rh-negative phenotype is due to its recessive allele (a), what is the frequency of the Rh-positive allele if 84% of a population is Rh-positive?

• 0.04

• 0.16

• 0.48

• 0.60

• 0.84

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 

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

Tags

NGSS.HS-LS3-3

When a population is at Hardy-Weinberg equilibrium, the allele frequencies should remain constant. Which of the following populations is most likely experiencing Hardy-Weinberg equilibrium?

• When a population is at Hardy-Weinberg equilibrium, the allele frequencies should remain constant. Which of the following populations is most likely experiencing Hardy-Weinberg equilibrium
• In a spider population, the males with the most intricate courtship dance get selected as mates more quickly than other male spiders.
• In a mosquito population, being heterozygous for a given trait makes the individuals resistant to four viral infections
• In a large moth population, both red and orange moths are consistently abundant

In an experiment, the variable that is being measured is referred to as the….

• Controlled Variable

• Measured Variable

• Dependent Variable

• Independent Variable