Course

Introductory Biology

Study Pack

Set 17 Microevolution Changes Within Populations

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Question 1

(Multiple Choice)

Free
In which of the following sexually reproducing populations does the Hardy-Weinberg principle of genetic equilibrium tell us what to expect?

A) in a population that is decreasing with each generation
B) in a population that is increasing with each generation
C) in a population that is evolving
D) in a population that is not evolving

Answer

Question 2

(Multiple Choice)

Free
Which of the following best describes the condition in which evolution could have taken place?

A) when a population experiences a shift in allele frequencies
B) when a mutation occurs in a population
C) when a feature of an individual animal changes through use or disuse
D) when a population has different forms of the same gene

Answer

Question 3

(Multiple Choice)

Free
What is the one measurement we have to make if we want to know the percentage of particular genotypes within an actual population, assuming complete dominance and two alleles?

A) the frequency of heterozygous phenotypes
B) the frequency of heterozygous genotypes
C) the frequency of dominant phenotypes
D) the frequency of recessive phenotypes

Answer