contribution to the gene pool of the next generation
In evolutionary terms, an organism's fitness is measured by its _____.
random mating occurring
Indicate which of the Hardy-Weinberg conditions is being violated in this example: Male elephant seals show aggression toward other males, resulting in dominant males mating with several females and other males mating with few or no females.
no gene flow
Indicate which of the Hardy-Weinberg conditions is being violated in this example: Due to global warming, a river has dried up, allowing two different rabbit populations that were previously isolated to mate with one another.
bottleneck effect
The textbook discusses how the conversion of quality habitat into farmland has greatly depleted the greater prairie chicken populations and, as a result, their genetic diversity. Which of the following occurred in this example?
disruptive selection
Indicate what type of selection is occurring in this example: During a drought, it was discovered that finches with large beaks and those with small beaks were more successful due to the food sources available during the drought.
mutation
Which of the following evolutionary mechanisms increases the amount of genetic variation in a population?
heritable variation
Which of the following is required in order for evolution to occur?
all of the above
- mutation (e.g., new alleles from errors in replication/ recombination)
- gene flow (e.g., immigration/emigration)
- selection (e.g., for favorable traits, against deleterious traits)
- sexual reproduction (e.g., independent assortment,
Which of the following can affect genetic variation within a population?
0.255
In some regions where malaria is endemic, the frequency of the sickle-cell allele is as high as 15% due to heterozygous advantage for increased resistance to malaria. In such an area, what is the expected frequency of individuals who are healthy and have
gradually drop toward zero
In some regions where malaria is endemic, the frequency of the sickle-cell allele is as high as 15% due to heterozygous advantage for increased resistance to malaria. If modern technology were to completely eradicate malaria but not alleviate sickle-cell