Podcast
Questions and Answers
Which mechanism causes allele frequency change by adaptation to the environment?
Which mechanism causes allele frequency change by adaptation to the environment?
- Genetic drift
- Environment-driven mutation
- Natural selection (correct)
- Gene flow
In response to seed shortage on Daphne Major, which type of birds survived at a higher rate due to their ability to eat more plentiful large seeds?
In response to seed shortage on Daphne Major, which type of birds survived at a higher rate due to their ability to eat more plentiful large seeds?
- Long-tailed birds
- Larger-beaked birds (correct)
- Medium-beaked birds
- Smaller-beaked birds
What did Gregor Mendel's work on pea plants provide evidence of?
What did Gregor Mendel's work on pea plants provide evidence of?
- Hybridization without genetic variation
- Environmental adaptation
- Discrete heritable units (genes) (correct)
- Continuous heritable units (genes)
Which scale of evolution refers to the change in allele frequencies in a population over generations?
Which scale of evolution refers to the change in allele frequencies in a population over generations?
Which mechanism causes allele frequency change through chance events altering allele frequencies?
Which mechanism causes allele frequency change through chance events altering allele frequencies?
What level of population evolves in response to various mechanisms like natural selection, genetic drift, and gene flow?
What level of population evolves in response to various mechanisms like natural selection, genetic drift, and gene flow?
Which of the following is a result of genetic variation?
Which of the following is a result of genetic variation?
What is the main source of genetic variation?
What is the main source of genetic variation?
What type of mutation can have significant impact on phenotype?
What type of mutation can have significant impact on phenotype?
What can produce genetic variation in organisms with short generation times?
What can produce genetic variation in organisms with short generation times?
Which statement about phenotypic variation is true?
Which statement about phenotypic variation is true?
How is genetic variation quantified at the gene level?
How is genetic variation quantified at the gene level?
Which process can produce new alleles?
Which process can produce new alleles?
What can maintain a pool of alleles that could be beneficial if the environment changes?
What can maintain a pool of alleles that could be beneficial if the environment changes?
How are phenotypic differences determined by two or more genes usually classified?
How are phenotypic differences determined by two or more genes usually classified?
What type of mutation can have selective advantage or disadvantage?
What type of mutation can have selective advantage or disadvantage?
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