Podcast
Questions and Answers
Which of the following is a common misconception about evolution?
Which of the following is a common misconception about evolution?
- Individual organisms evolve (correct)
- Genetic variation is necessary for evolution
- Only populations can evolve
- Natural selection acts on populations
What is microevolution?
What is microevolution?
- A change in heritable traits in individual organisms
- A change in genetic drift in a population
- A change in gene flow between populations
- A change in allele frequencies in a population over generations (correct)
Which of the following mechanisms can cause allele frequency change in a population?
Which of the following mechanisms can cause allele frequency change in a population?
- Genetic drift and gene flow
- Natural selection and genetic drift (correct)
- Natural selection and gene flow
- Genetic drift and internal isolation
What is the main mechanism that consistently causes adaptive evolution?
What is the main mechanism that consistently causes adaptive evolution?
What is a prerequisite for evolution by natural selection?
What is a prerequisite for evolution by natural selection?
What does natural selection act on?
What does natural selection act on?
What is the smallest unit of evolution?
What is the smallest unit of evolution?
Which of the following is not a mechanism that causes allele frequency change?
Which of the following is not a mechanism that causes allele frequency change?
What is the evidence of selection by food source shown in Figure 21.2?
What is the evidence of selection by food source shown in Figure 21.2?
What does microevolution refer to?
What does microevolution refer to?
According to Mendel's work on pea plants, what did it provide evidence of?
According to Mendel's work on pea plants, what did it provide evidence of?
What does genetic variation refer to?
What does genetic variation refer to?
How are some phenotypic differences classified?
How are some phenotypic differences classified?
What determines traits that are usually 'either-or' in nature?
What determines traits that are usually 'either-or' in nature?
What influences coat color in horses?
What influences coat color in horses?
What can genetic variation be measured at?
What can genetic variation be measured at?
Where do most nucleotide variations occur?
Where do most nucleotide variations occur?
Do nucleotide variations in coding regions usually affect protein sequences?
Do nucleotide variations in coding regions usually affect protein sequences?
What kind of genetic variation is shown in Figure 21.4?
What kind of genetic variation is shown in Figure 21.4?
Which of the following is true about genetic variation?
Which of the following is true about genetic variation?
Flashcards are hidden until you start studying
