Podcast
Questions and Answers
What is the term for the success of an organism in passing on its genes to offspring, relative to the other members of its population?
What is the term for the success of an organism in passing on its genes to offspring, relative to the other members of its population?
- Darwinian fitness (correct)
- Natural selection
- Genetic drift
- Relative fitness
What is the primary mechanism by which genetic variation is generated during sexual reproduction?
What is the primary mechanism by which genetic variation is generated during sexual reproduction?
- Gene flow
- Meiosis and fertilization (correct)
- Mutation
- Non-random mating
What is the term for the process by which individuals with certain traits are more likely to mate with each other, leading to a non-random distribution of alleles?
What is the term for the process by which individuals with certain traits are more likely to mate with each other, leading to a non-random distribution of alleles?
- Genetic drift
- Non-random mating (correct)
- Natural selection
- Gene flow
What occurs when a small population becomes isolated from the main population and undergoes changes in allele frequencies due to genetic drift and natural selection?
What occurs when a small population becomes isolated from the main population and undergoes changes in allele frequencies due to genetic drift and natural selection?
What is the term for the change in allele frequencies that occurs when individuals from one population breed with individuals from another population?
What is the term for the change in allele frequencies that occurs when individuals from one population breed with individuals from another population?
What is the term for the random change in allele frequencies that occurs in a small population?
What is the term for the random change in allele frequencies that occurs in a small population?
What is a result of selective breeding, such as that practiced by farmers seeking to improve milk production in cows?
What is a result of selective breeding, such as that practiced by farmers seeking to improve milk production in cows?
What is the term for the change in allele frequency in a population due to chance following a sharp reduction in population size?
What is the term for the change in allele frequency in a population due to chance following a sharp reduction in population size?
What is the movement of genes from one population to another called?
What is the movement of genes from one population to another called?
What is the original source of variation in a population?
What is the original source of variation in a population?
What is the process by which allele frequencies change in a population due to chance events?
What is the process by which allele frequencies change in a population due to chance events?
What is the term for the change in allele frequency that can occur when mating with members from another population?
What is the term for the change in allele frequency that can occur when mating with members from another population?
What is the primary mechanism that leads to the evolution of adaptations?
What is the primary mechanism that leads to the evolution of adaptations?
In a population that is in Hardy-Weinberg equilibrium, what is true about the genotype frequencies?
In a population that is in Hardy-Weinberg equilibrium, what is true about the genotype frequencies?
What type of natural selection occurs when individuals at the center of the phenotype range have a higher fitness than individuals at either end of the range?
What type of natural selection occurs when individuals at the center of the phenotype range have a higher fitness than individuals at either end of the range?
What is the term for the change in frequencies of alleles within a population from one generation to the next?
What is the term for the change in frequencies of alleles within a population from one generation to the next?
What is the result of a single generation of random mating in a population?
What is the result of a single generation of random mating in a population?
What is the term for the movement of alleles from one population to another, resulting in a change in allele frequencies?
What is the term for the movement of alleles from one population to another, resulting in a change in allele frequencies?
