Podcast
Questions and Answers
What does heterosis refer to?
What does heterosis refer to?
- Greater fertility than both parents in crosses between species (correct)
- No fertility in crosses between species
- Smaller fertility than both parents in crosses between species
- Similar fertility as both parents in crosses between species
What is heritability a measure of?
What is heritability a measure of?
- Differences in traits due to the environment
- Differences in traits due to random chance
- Differences in traits due to diet
- Differences in traits due to genes (correct)
What is the selection differential (S) in quantitative genetics?
What is the selection differential (S) in quantitative genetics?
- The difference between the trait mean and the population mean
- The difference between the trait mean and the response to selection
- The difference between the genotype and phenotype
- The difference between the trait mean after selection and before selection (correct)
What does the response to selection (R) depend on?
What does the response to selection (R) depend on?
What is phenotypic selection (S) related to in quantitative genetics?
What is phenotypic selection (S) related to in quantitative genetics?
What does heritability (h2) represent in quantitative genetics?
What does heritability (h2) represent in quantitative genetics?
What is the ultimate source of variation in a population?
What is the ultimate source of variation in a population?
What is the ratio of the standard deviation to the mean called?
What is the ratio of the standard deviation to the mean called?
What does the heritability measure?
What does the heritability measure?
What does frequency dependency selection refer to?
What does frequency dependency selection refer to?
What is the occurrence of two or more clearly different morphs or forms in a population called?
What is the occurrence of two or more clearly different morphs or forms in a population called?
What is the most closely correlated to fitness and has strong heritability?
What is the most closely correlated to fitness and has strong heritability?
What is the ultimate source of variation that maintains both alleles in a population?
What is the ultimate source of variation that maintains both alleles in a population?
What refers to the balance between mutation and selection as a source of variation?
What refers to the balance between mutation and selection as a source of variation?
What is the ratio of the standard deviation to the mean used for comparing variability of traits?
What is the ratio of the standard deviation to the mean used for comparing variability of traits?
What does pleiotropy refer to?
What does pleiotropy refer to?
What is the equation for the response to selection of a single trait?
What is the equation for the response to selection of a single trait?
What does the equation R = Gb represent?
What does the equation R = Gb represent?
Why might laying date remain fairly constant despite strong selection and climate change?
Why might laying date remain fairly constant despite strong selection and climate change?
What is the equation for the response to selection of multiple traits?
What is the equation for the response to selection of multiple traits?
What happens if there is no association in two traits?
What happens if there is no association in two traits?
What is the relationship between weight and height if there is a positive covariance?
What is the relationship between weight and height if there is a positive covariance?
What is the main factor that influences the relative fitness of an organism according to the given text?
What is the main factor that influences the relative fitness of an organism according to the given text?
What factors influence the similarity of parents and offspring according to the given text?
What factors influence the similarity of parents and offspring according to the given text?
Flashcards are hidden until you start studying
