17 Questions
What did Darwin coin the phrase 'descent with modification' to describe?
Gradual changes from an ancestral type
What did Darwin note had changed in the Galápagos tortoises?
Their size
What did Darwin get the idea of natural selection from?
Thinking about artificial selection
What did the different groups of finches on the Galápagos Islands eat, according to the text?
Insects, fruits, and seeds of different sizes
How did the finch population on the Galápagos Islands change over time, according to the text?
They gradually branched in several directions
In a population of 50 diploid individuals with 100 alleles, if 8 alleles are 'a', what is the frequency of allele 'A'?
0.72
Where does evolution occur based on the information provided?
In populations, not in individuals
What did Charles Darwin's voyage to the Galapagos Islands provide?
A wealth of evidence for evolution
What is the main mechanism of evolution explained by Darwin?
Natural Selection
Why can a change in allele frequencies occur in a population?
Due to natural selection
What is the significance of Aa, AA, and aa in a diploid individual?
Represent different genotypes
Which statement best describes the process of evolution?
A genetic change in a population over multiple generations.
What is the meaning of the phrase "descent with modification" in the context of evolution?
The process of an organism inheriting traits from its ancestors while also exhibiting new variations.
Which of the following best represents the concept of a gene pool in the context of evolution?
The collection of all genes and their alleles present in a population.
How is the frequency of an allele in a population typically calculated?
By dividing the number of copies of that allele by the total number of alleles in the population.
Which term describes an individual with two different alleles for a particular gene?
Heterozygous
According to the provided information, what does the process of evolution act upon?
Populations
Learn about how to calculate the frequency of alleles in a population based on the given number of individuals and alleles. Understand the concept that evolution occurs at a population level and not at an individual level.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
