Population Genetics Answers

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Explain why a population of Mouflon in the Indian Ocean descended from only two individual that had not experienced a loss of genetic diversity was so surprising to scientists.

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2
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Explain how the Amish are an example of the founder effect.

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3

Polydactylism occurs _______.

A
only in cats
B
only in humans
C
in less than one in 1000 children
D
more commonly in certain populations, such as the Amish.
4

How do natural disasters contribute to genetic drift?

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5

Which of the following has not resulted in the decline of cheetah populations?

A
population bottleneck
B
overhunting
C
habitat destruction
D
large genetic diversity
6

After hunting by European settlers, the bison population of 60 million was reduced to _______ of its original size.

A
1 : 60
B
1 : 600
C
1 : 6,000
D
1 : 60,000
7

Explain why the crossbreeding of bison and cattle is both a benefit and hindrance to conservation efforts aimed at protecting bison genetic diversity.

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8

According to the theory of island biogeography, those islands that are further isolated from the mainland and other islands would be expected to have _______.

A
more species
B
fewer species
C
more genetic variation
D
more immigration to the island
9

Explain how a bottleneck event can enrich recessive traits in the genetics of a population.

Answer not available
10

Bottleneck events lead to _______.

A
population growth
B
an increase in inbreeding
C
an enrichment of dominant genetic traits
D
a reduced rate of species mutation

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