Podcast
Questions and Answers
What type of variance refers to the variation in a trait due to the additive effects of multiple genes?
What type of variance refers to the variation in a trait due to the additive effects of multiple genes?
- Genetic variance (correct)
- Phenotypic variance
- Environmental variance
- Epistatic variance
Which type of selection involves favoring individuals with extreme phenotypes and acting against the average?
Which type of selection involves favoring individuals with extreme phenotypes and acting against the average?
- Directional selection (correct)
- Stabilizing selection
- Epistatic selection
- Disruptive selection
What is the term for barriers that prevent mating or fertilization between species?
What is the term for barriers that prevent mating or fertilization between species?
- Gametic barriers
- Prezygotic barriers (correct)
- Mechanical barriers
- Postzygotic barriers
Which mode of speciation occurs when populations are geographically isolated from each other?
Which mode of speciation occurs when populations are geographically isolated from each other?
What term describes a group that consists of an ancestral species and all its descendants?
What term describes a group that consists of an ancestral species and all its descendants?
Which hypothesis suggests that sex is advantageous because it provides genetic diversity to cope with changing environments?
Which hypothesis suggests that sex is advantageous because it provides genetic diversity to cope with changing environments?
What is the term for the variance in a trait that results from the interaction between genes at different loci?
What is the term for the variance in a trait that results from the interaction between genes at different loci?
In the context of species concepts, which concept is criticized for not accounting for asexual reproduction and hybridization?
In the context of species concepts, which concept is criticized for not accounting for asexual reproduction and hybridization?
Which mode of selection promotes the average phenotype in a population, reducing phenotypic diversity?
Which mode of selection promotes the average phenotype in a population, reducing phenotypic diversity?
What type of genetic variation refers to the variation in a trait caused by the combined effects of multiple genes with small effects?
What type of genetic variation refers to the variation in a trait caused by the combined effects of multiple genes with small effects?
Which reproductive barrier involves differences in mating behaviors or rituals that prevent successful mating between species?
Which reproductive barrier involves differences in mating behaviors or rituals that prevent successful mating between species?
In speciation by vicariance, how are populations of a species separated?
In speciation by vicariance, how are populations of a species separated?
What is the term for the cost associated with the production and maintenance of males in sexually reproducing species?
What is the term for the cost associated with the production and maintenance of males in sexually reproducing species?
'Reduced fertility' is an example of which type of reproductive barrier between species?
'Reduced fertility' is an example of which type of reproductive barrier between species?
'Clades' are also known as what kind of groups based on phylogenetic relationships?
'Clades' are also known as what kind of groups based on phylogenetic relationships?
'Homoplasy' refers to similarities between species that result from convergent evolution rather than common ancestry. Which type of characters are considered 'homoplasies'?
'Homoplasy' refers to similarities between species that result from convergent evolution rather than common ancestry. Which type of characters are considered 'homoplasies'?
Flashcards are hidden until you start studying
