Podcast
Questions and Answers
What does it mean for an allele to be homozygous?
What does it mean for an allele to be homozygous?
- It is the rarest form in a population.
- It can be either dominant or recessive.
- It contains two different alleles.
- It contains the same alleles. (correct)
Which condition is NOT necessary for allele frequencies to remain constant over time?
Which condition is NOT necessary for allele frequencies to remain constant over time?
- Presence of genetic drift (correct)
- Random mating
- No mutations
- No gene flow
How do you calculate the allele frequency in a diploid population?
How do you calculate the allele frequency in a diploid population?
- By adding the number of heterozygotes to the homozygotes.
- By multiplying the total number of individuals by two.
- By determining the total number of alleles and their proportions. (correct)
- By averaging the frequencies of genotypes in the population.
What does the Hardy-Weinberg equilibrium predict?
What does the Hardy-Weinberg equilibrium predict?
If the frequency of allele 'a' changes from 0.4 to 0.71, what does this indicate?
If the frequency of allele 'a' changes from 0.4 to 0.71, what does this indicate?
What does the Hardy-Weinberg principle state about the total frequency of alleles in a population?
What does the Hardy-Weinberg principle state about the total frequency of alleles in a population?
In the Hardy-Weinberg formula, what does the term '2pq' represent?
In the Hardy-Weinberg formula, what does the term '2pq' represent?
If a population is in Hardy-Weinberg equilibrium and 180 out of 500 turtles exhibit the recessive phenotype, what is the frequency of the recessive allele?
If a population is in Hardy-Weinberg equilibrium and 180 out of 500 turtles exhibit the recessive phenotype, what is the frequency of the recessive allele?
What are the implications of microevolution on allele frequency over generations?
What are the implications of microevolution on allele frequency over generations?
Which of the following is a condition necessary for a population to maintain Hardy-Weinberg equilibrium?
Which of the following is a condition necessary for a population to maintain Hardy-Weinberg equilibrium?
Which factor is considered the original source of new alleles in a population?
Which factor is considered the original source of new alleles in a population?
In the example of turtles, if the dominant allele for ninja fighting (F) is found at a higher frequency, which genotype would you expect to have the greatest number of individuals?
In the example of turtles, if the dominant allele for ninja fighting (F) is found at a higher frequency, which genotype would you expect to have the greatest number of individuals?
What is a potential consequence of a lethal mutation in a population?
What is a potential consequence of a lethal mutation in a population?
Which type of selection occurs when traits at both ends of a spectrum are favored over intermediate forms?
Which type of selection occurs when traits at both ends of a spectrum are favored over intermediate forms?
What is the significance of natural selection in evolutionary biology?
What is the significance of natural selection in evolutionary biology?
In the context of mutation rates, how frequently do mutations occur in a gene?
In the context of mutation rates, how frequently do mutations occur in a gene?
What phenomenon occurs when an allele frequency reaches 100% in a population?
What phenomenon occurs when an allele frequency reaches 100% in a population?
Which of the following best describes sexual selection?
Which of the following best describes sexual selection?
Which factor is a non-selective process that can alter allele frequencies due to random events?
Which factor is a non-selective process that can alter allele frequencies due to random events?
Which statement correctly describes the role of mutations in evolutionary change?
Which statement correctly describes the role of mutations in evolutionary change?
In the context of natural selection, what does 'selection pressure' refer to?
In the context of natural selection, what does 'selection pressure' refer to?
What defines microevolution?
What defines microevolution?
Which of the following best describes macroevolution?
Which of the following best describes macroevolution?
What is an example of anagenesis?
What is an example of anagenesis?
Which process represents the splitting of one lineage into two new species?
Which process represents the splitting of one lineage into two new species?
What initiates reproductive isolation between populations?
What initiates reproductive isolation between populations?
Which of the following is an example of a pre-zygotic isolation mechanism?
Which of the following is an example of a pre-zygotic isolation mechanism?
What primarily influences microevolutionary changes within a population?
What primarily influences microevolutionary changes within a population?
Which statement correctly distinguishes cladogenesis from anagenesis?
Which statement correctly distinguishes cladogenesis from anagenesis?
What term describes a situation where one lineage rapidly diverges into many?
What term describes a situation where one lineage rapidly diverges into many?
What happens during coevolution?
What happens during coevolution?
Which statement best describes stasis in evolutionary terms?
Which statement best describes stasis in evolutionary terms?
What is a key innovation in the context of evolutionary adaptations?
What is a key innovation in the context of evolutionary adaptations?
How does evolution influence ecological interactions?
How does evolution influence ecological interactions?
What is the significance of stasis in evolution?
What is the significance of stasis in evolution?
What is the evolutionary arms race primarily associated with?
What is the evolutionary arms race primarily associated with?
What does exaptation refer to in evolutionary biology?
What does exaptation refer to in evolutionary biology?
