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Separated Species A population of mice live in a light, sandy environment. The majority of mice have light-colored fur, and the remaining mice have either medium-colored fur or dark-colored fur. A flood occurs in the area, creating a river that separates the population and changes the color of the ground on either side. After a long period of time, the water dries up and the two groups of mice are able to interact again. After the change, mice from different sides are unable to breed with each other. The pictures show the environment before, during, and after the change. Original Environment North side Environments after separation by water 5% 5% 5% 4% South side The table shows the frequency of fur color across the populations when the mice were separated by the water. North Side Light fur Medium furDark furSouth Side Light fur Medium fur Dark fur Generation 1 85% 12% 3% Generation 1 90% 5% 5% Generation 5 50% Generation 570% 23% 45% 75% 87% 7% 5% Generation 10 20% Generation 10 37% Generation 15 8% Generation 15 10% Generation 20 0% 96% Generation 200% 6% Environment after water dries up 6% 58% 84% 94% The frequency for dark-colored fur increased on the south side. The frequency for medium-colored fur increased on the north side. The frequency for dark-colored fur increased on the north side. The frequency for medium-colored fur increased on the south side. The frequency for light-colored fur increased on the north side.

Separated Species A population of mice live in a light, sandy environment. The majority of mice have light-colored fur, and the remaining mice have either medium-colored fur or dark-colored fur. A flood occurs in the area, creating a river that separates the population and changes the color of the ground on either side. After a long period of time, the water dries up and the two groups of mice are able to interact again. After the change, mice from different sides are unable to breed with each other. The pictures show the environment before, during, and after the change. Original Environment North side Environments after separation by water 5% 5% 5% 4% South side The table shows the frequency of fur color across the populations when the mice were separated by the water. North Side Light fur Medium furDark furSouth Side Light fur Medium fur Dark fur Generation 1 85% 12% 3% Generation 1 90% 5% 5% Generation 5 50% Generation 570% 23% 45% 75% 87% 7% 5% Generation 10 20% Generation 10 37% Generation 15 8% Generation 15 10% Generation 20 0% 96% Generation 200% 6% Environment after water dries up 6% 58% 84% 94% The frequency for dark-colored fur increased on the south side. The frequency for medium-colored fur increased on the north side. The frequency for dark-colored fur increased on the north side. The frequency for medium-colored fur increased on the south side. The frequency for light-colored fur increased on the north side.

Human Heredity: Principles and Issues (MindTap Course List)
Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN:9781305251052
Author:Michael Cummings
Publisher:Michael Cummings
Chapter19: Population Genetics And Human Evolution
Section: Chapter Questions
Problem 16QP: Measuring Genetic Diversity in Human Populations How would a drastic reduction in a populations size...
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Separated Species A population of mice live in a light, sandy environment. The majority of mice have light-colored fur, and the remaining mice have either medium-colored fur or dark-colored fur. A flood occurs in the area, creating a river that separates the population and changes the color of the ground on either side. After a long period of time, the water dries up and the two groups of mice are able to interact again. After the change, mice from different sides are unable to breed with each other. The pictures show the environment before, during, and after the change. Original Environment Generation 5 50% Generation 10 20% Generation 15 8% The table shows the frequency of fur color across the populations when the mice were separated by the water. North Side Light fur Medium fur Dark fur South Side Light fur Medium fur Dark fur 90% 5% Generation 1 85% 12% 3% 5% Generation 20 0% 45% 75% 87% 96% North side 5% 5% Environments after separation by water 5% 4% South side Generation 1 Generation 5 70% Generation 10 37% Generation 15 10% Generation 20 0% 7% 5% 6% Environment after water dries up 6% 23% 58% 84% 94% Which TWO things occurred as a result of the environmental change? A. B. C. D. E. The frequency for dark-colored fur increased on the south side. The frequency for medium-colored fur increased on the north side. The frequency for dark-colored fur increased on the north side. The frequency for medium-colored fur increased on the south side. The frequency for light-colored fur increased on the north side.
Transcribed Image Text:Separated Species A population of mice live in a light, sandy environment. The majority of mice have light-colored fur, and the remaining mice have either medium-colored fur or dark-colored fur. A flood occurs in the area, creating a river that separates the population and changes the color of the ground on either side. After a long period of time, the water dries up and the two groups of mice are able to interact again. After the change, mice from different sides are unable to breed with each other. The pictures show the environment before, during, and after the change. Original Environment Generation 5 50% Generation 10 20% Generation 15 8% The table shows the frequency of fur color across the populations when the mice were separated by the water. North Side Light fur Medium fur Dark fur South Side Light fur Medium fur Dark fur 90% 5% Generation 1 85% 12% 3% 5% Generation 20 0% 45% 75% 87% 96% North side 5% 5% Environments after separation by water 5% 4% South side Generation 1 Generation 5 70% Generation 10 37% Generation 15 10% Generation 20 0% 7% 5% 6% Environment after water dries up 6% 23% 58% 84% 94% Which TWO things occurred as a result of the environmental change? A. B. C. D. E. The frequency for dark-colored fur increased on the south side. The frequency for medium-colored fur increased on the north side. The frequency for dark-colored fur increased on the north side. The frequency for medium-colored fur increased on the south side. The frequency for light-colored fur increased on the north side.
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