1982042
Questão 1
Questão
All the individuals of the same species in a given area at the same period of time
Responda
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Population
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Fitness
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Genetic variation
Questão 2
Questão
If two groups are too far apart to intermingle, they are separate populations
Responda
- True
- False
Questão 3
Questão
Change over time in the relative frequencies of allele variations in a population
Responda
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Genetic variation
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Evolution
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Population
Questão 4
Questão
Genetic variation is
Responda
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Change over time in the relative frequencies of allele variations
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When there are different alleles for at least some of the population's genes
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All the individuals in a given area
Questão 5
Questão
Select all that apply. Fitness is a measure of________
Responda
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Reproductive success contributed to the next generation
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Compared to others in the same population and generation cohort
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The genetic change in a population
Questão 6
Questão
The source of new alleles because of spelling changes in DNA
Responda
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Mutation
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Migration
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Natural selection
Questão 7
Questão
Natural selection and genetic drift cause evolutionary change because______ (select all that apply)
Responda
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Some alleles become more common in the next generation
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Some alleles become less common in the next generation
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It is all about differential reproductive success
Questão 8
Questão
A mechanism of evolution that causes a change in the allele frequencies of a population because of chance events not based on genetic traits
Responda
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Migration
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Genetic drift
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Natural selection
Questão 9
Questão
A mechanism of evolution in which new alleles are added to a population when new individuals enter from another location
Responda
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Migration
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Genetic drift
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Natural selection
Questão 10
Questão
Individuals that survive or reproduce at a higher rate because of their genetic traits defines __________ (select all that apply)
Responda
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Natural selection
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One of the mechanisms of evolution
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Gene fixation
Questão 11
Questão
Genetic drift is any condition that favors some alleles/traits for reproductive success and disfavor others alleles/traits.
Responda
- True
- False
Questão 12
Questão
Genetic drift has the biggest impact on small populations
Responda
- True
- False
Questão 13
Questão
Founder effect is where a small number of individuals establish a new population
Responda
- True
- False
Questão 14
Questão
The number of prairie chickens went from millions to fewer than 50, resulting in 30% of alleles being lost. This is an example of______. (Select all that apply)
Responda
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Genetic drift
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Migration
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Founder effect
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Bottleneck
Questão 15
Questão
Bottlenecks are a type of genetic drift that occurs because of a loss of a large percentage of population
Responda
- True
- False
Questão 16
Questão
Mechanisms for genetic change are_______
Responda
-
Natural selection
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Genetic drift
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Mutation
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Migration
Questão 17
Questão
If there are different alleles for at least some of the population's genes, then there is genetic variation
Responda
- True
- False
Questão 18
Questão
Genetic variation is rare
Responda
- True
- False
Questão 19
Questão
To be considered a population biologically, which of the following must be true (select one or more)
Responda
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Belong to the same species
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Be in the same breeding area
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Be alive during the same period in time
Questão 20
Questão
If an allele becomes the only form of the gene present on a population, then it is 'fixed'
Responda
- True
- False
Questão 21
Questão
The genetic diversity of a 'founder' population introduced on a small island would be expected to be less than the genetic diversity on the mainland
Responda
- True
- False
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