Answered: ulation are an example of evolution?…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Question

Discuss how the results of this simulation are an example of evolution?

Simulation:

For this lab, the dominant allele for normal fur pigmentation (gray) is represented by G and the recessive allele for leucistic pigmentation is represented by g. Squirrels that inherit two G alleles (homozygous dominant) or one G and one g allele (heterozygous) have normal pigmentation, while squirrels that inherit two gs (homozygous recessive) have leucistic pigmentation.

Due to the difficulty of leucisitc squirrels to camouflage themselves against predators, in each generation, 50% of the gg individuals will die off from predation before they can reach maturity. This means they will not be able to pass their genes on to the next generation.

eration
1
2
3
4
5
6
Number
GG
individuals
13
16
20
18
16
19
Number Gg
Individuals
24
18
10
14
16
11
Number gg
Individuals
13
9
00
2
1
2
Number
G alleles
50
50
50
50
50
50
Number
g alleles
24
17
13
9
8
6
Total
Gene
Gene
Number Frequency Frequency
alleles
of G
of g
74
67
63
59
58
56
.68
.75
.79
.85
.86
.89
.32
.25
.21
.15
.14
.11

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