Podcast
Questions and Answers
What are the four factors that could change allele frequencies in a population, according to the Hardy-Weinberg equilibrium principle?
What are the four factors that could change allele frequencies in a population, according to the Hardy-Weinberg equilibrium principle?
- Natural selection, genetic drift, mutation, and gene flow (correct)
- Microevolution, mutation, environmental change, and genetic variation
- Bottleneck effect, founder effect, gene pool, and artificial selection
- Adaptation, speciation, sexual selection, and macroevolution
Which individual is more likely to survive and reproduce according to the process of natural selection?
Which individual is more likely to survive and reproduce according to the process of natural selection?
- One with adaptive traits (correct)
- One with random mutations
- One with genetic variation
- One with environmental changes
What is the term used to describe the change in allele frequencies in a population due to chance events?
What is the term used to describe the change in allele frequencies in a population due to chance events?
- Gene flow
- Bottleneck effect
- Genetic drift (correct)
- Founder effect
When does the bottleneck effect occur?
When does the bottleneck effect occur?
What is the founder effect?
What is the founder effect?
What did Darwin choose the name 'natural selection' to contrast with?
What did Darwin choose the name 'natural selection' to contrast with?
What is the term used to describe a process known as an organism’s success at attracting a mate?
What is the term used to describe a process known as an organism’s success at attracting a mate?
What is the change due to “sampling error” in selecting the alleles for the next generation from the gene pool of the current generation called?
What is the change due to “sampling error” in selecting the alleles for the next generation from the gene pool of the current generation called?
What did Charles Darwin write the definitive book outlining his idea of?
What did Charles Darwin write the definitive book outlining his idea of?
What might happen if the environment changes rapidly?
What might happen if the environment changes rapidly?
What does gene flow refer to?
What does gene flow refer to?
What is the definition of a chromosome?
What is the definition of a chromosome?
What is the role of mutation in living organisms?
What is the role of mutation in living organisms?
How does genetic drift differ from natural selection?
How does genetic drift differ from natural selection?
What is the role of DNA in living organisms?
What is the role of DNA in living organisms?
How is gene flow mediated between two populations of the same species?
How is gene flow mediated between two populations of the same species?
What is the effect of deleterious mutation on an organism?
What is the effect of deleterious mutation on an organism?
What does a gene represent?
What does a gene represent?
What allows for new combinations of traits within a population?
What allows for new combinations of traits within a population?
What is genome in living organisms?
What is genome in living organisms?
Gene flow can only take place between populations of the same species.
Gene flow can only take place between populations of the same species.
Genetic drift always takes into account the benefit or harm of an allele to the individual that carries it.
Genetic drift always takes into account the benefit or harm of an allele to the individual that carries it.
Mutation always results in deleterious effects on the organism.
Mutation always results in deleterious effects on the organism.
Deleterious mutations can increase the fitness of an organism.
Deleterious mutations can increase the fitness of an organism.
Horizontal gene transfer is also known as lateral gene transfer.
Horizontal gene transfer is also known as lateral gene transfer.
Chromosomes always come in singular form within a nucleus.
Chromosomes always come in singular form within a nucleus.
New combinations of traits within a population are allowed by gene flow.
New combinations of traits within a population are allowed by gene flow.
Genetic drift is more likely to occur in larger populations.
Genetic drift is more likely to occur in larger populations.
Beneficial mutations always lead to the reproductive success and adaptability of an organism to its environment.
Beneficial mutations always lead to the reproductive success and adaptability of an organism to its environment.
DNA is made up of a single-stranded nucleic acid arranged as a double helix.
DNA is made up of a single-stranded nucleic acid arranged as a double helix.
Natural selection is a process through which populations of living organisms remain constant in the absence of the four factors that could change allele frequencies.
Natural selection is a process through which populations of living organisms remain constant in the absence of the four factors that could change allele frequencies.
Genetic drift is a change in allele frequencies in a population that occurs due to chance events.
Genetic drift is a change in allele frequencies in a population that occurs due to chance events.
The bottleneck effect occurs when there is a sudden increase in a population’s size typically due to environmental factors.
The bottleneck effect occurs when there is a sudden increase in a population’s size typically due to environmental factors.
The founder effect refers to the loss of genetic variation that occurs when a new population is established by a large number of individuals from a larger population.
The founder effect refers to the loss of genetic variation that occurs when a new population is established by a large number of individuals from a larger population.
Darwin chose the name natural selection to contrast with 'artificial selection'.
Darwin chose the name natural selection to contrast with 'artificial selection'.
Genetic drift always leads to the adaptation and survival of the fittest individuals within a population.
Genetic drift always leads to the adaptation and survival of the fittest individuals within a population.
Sexual selection is a form of natural selection that depends on an organism’s success at adapting to the environment.
Sexual selection is a form of natural selection that depends on an organism’s success at adapting to the environment.
Mutation is one of the four factors that could change allele frequencies in a population, according to the Hardy-Weinberg equilibrium principle.
Mutation is one of the four factors that could change allele frequencies in a population, according to the Hardy-Weinberg equilibrium principle.
The Hardy-Weinberg equilibrium principle states that allele frequencies in a population will remain constant in the presence of the four factors that could change them.
The Hardy-Weinberg equilibrium principle states that allele frequencies in a population will remain constant in the presence of the four factors that could change them.
Speciation refers to the process where one species gives rise to new and distinctly different species.
Speciation refers to the process where one species gives rise to new and distinctly different species.
