Podcast
Questions and Answers
What concept describes the event when a small group of individuals leaves a population and establishes a new one in a geographically isolated region?
What concept describes the event when a small group of individuals leaves a population and establishes a new one in a geographically isolated region?
- Gene flow
- Mutation
- Trisomy 21
- Founder effect (correct)
Which term best describes the scenario in which genetic changes occur due to random chance rather than due to selective pressures?
Which term best describes the scenario in which genetic changes occur due to random chance rather than due to selective pressures?
- Genetic drift (correct)
- Gene flow
- Trisomy 21
- Mutation
What phenomenon leads to a few individuals leaving behind more descendants than others due to random chance?
What phenomenon leads to a few individuals leaving behind more descendants than others due to random chance?
- Genetic drift (correct)
- Mutation
- Gene flow
- Trisomy 21
In the context of genetic changes, what process involves the transfer of genes from one population to another?
In the context of genetic changes, what process involves the transfer of genes from one population to another?
Which of the following is a genetic disorder caused by the presence of an extra chromosome 21?
Which of the following is a genetic disorder caused by the presence of an extra chromosome 21?
What term refers to a sudden change in a gene or chromosome that can lead to genetic diseases or variations?
What term refers to a sudden change in a gene or chromosome that can lead to genetic diseases or variations?
Which process involves the migration of genes from one population to another?
Which process involves the migration of genes from one population to another?
In genetic terms, what is the Trisomy 21 mutation characterized by?
In genetic terms, what is the Trisomy 21 mutation characterized by?
Which occurrence can potentially lead to a genetic mutation in an organism even before conception?
Which occurrence can potentially lead to a genetic mutation in an organism even before conception?
What effect does gene flow have on the genetic similarity between populations of the same species?
What effect does gene flow have on the genetic similarity between populations of the same species?
Which mechanism can introduce new genes into a local population's gene pool?
Which mechanism can introduce new genes into a local population's gene pool?
Which phenomenon might lead to the establishment of gene flow in a population following individuals bringing new genes?
Which phenomenon might lead to the establishment of gene flow in a population following individuals bringing new genes?
What is the key process that occurs when populations of organisms are subjected to the environment, resulting in the fittest creatures passing their genes to their offspring?
What is the key process that occurs when populations of organisms are subjected to the environment, resulting in the fittest creatures passing their genes to their offspring?
In the context of the text, what term refers to the situation where green beetles are easier for birds to spot, leading to brown beetles being more common in the next generation?
In the context of the text, what term refers to the situation where green beetles are easier for birds to spot, leading to brown beetles being more common in the next generation?
Which mechanism of evolution refers to the random change in gene frequencies that can occur in a small population?
Which mechanism of evolution refers to the random change in gene frequencies that can occur in a small population?
If a population of organisms experiences a change in allele frequencies due to the movement of individuals between different populations, what mechanism of evolution is at play?
If a population of organisms experiences a change in allele frequencies due to the movement of individuals between different populations, what mechanism of evolution is at play?
Which term describes the genetic variation that arises due to errors in DNA replication or exposure to mutagens?
Which term describes the genetic variation that arises due to errors in DNA replication or exposure to mutagens?
If a population is founded by only a small number of individuals leading to reduced genetic diversity, what evolutionary phenomenon does this describe?
If a population is founded by only a small number of individuals leading to reduced genetic diversity, what evolutionary phenomenon does this describe?
