This mechanism of evolution occurs when individuals migrate between populations.
Gene Flow
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15
What does this image represent?
the Founder effect
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15
A group of organisms that can mate with each other and produce fertile offspring are called a
Species
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20
This selection pressure favors ONE of the extreme phenotypes (one side of the bell curve) , which shifts allele frequencies to one side or the other
Directional Selection
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20
Give an example of one source of genetic variation for a population
Mutations (will also accept sexual reproduction)
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15
In natural selection, the selective agent is
the environment
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20
A trait that is controlled by two or more pairs of genes
Polygenic Trait
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15
The type of genetic drift that follows the colonization of a new habitat by a small group of individuals is called
Founder Effect
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monster
Reset all scores!
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seesaw
Swap points!
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fairy
Take points!
5
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25
thief
Give points!
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trap
No points!
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shark
Other team loses 25 points!
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shark
Other team loses 10 points!
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banana
Go to last place!
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15
All of the genetic information (all of the alleles) found in a population.
Gene pool
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15
There are two types of genetic drift, founder effect and the ________________ .
Bottleneck effect
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banana
Go to last place!
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fairy
Take points!
5
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25
shark
Other team loses 20 points!
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baam
Lose 20 points!
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seesaw
Swap points!
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magnet
Take 5 points!
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gift
Win 20 points!
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lifesaver
Give 15 points!
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15
When members of a population become a new species due to having different courtship rituals (singing, dancing, etc...) , this is called __________ isolation.
Behavioral
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15
Natural selection acts directly on (genotype/phenotype) - choose one