Generation012345678910Genotypic FrequencyAA1O4OObservedAa32O1O17aa1345Allelic FrequencyObservedA (p)0.50.5 0.50,8a (q)0.50,20.8 0.0.1O0.9Genotypic FrequencyExpected2pq0.50p²0.25q²0.250.25 0.50 0.250.040.32 0.640.64 0.16 0.010.01 0.18 0.81OO100 5. Since the 1890s when northern elephant seals were hunted almost toextinction, the populations have increased to 30,000 animals. In a1974 study of genetic variation, scientists found that all elephant sealsare fixed for the same allele at 24 loci. Explain.

The term "genetic variation" describes the variations in genetic make-up among members of the same…

Answered: 5. Since the 1890s when northern…

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

Generation
0
1
2
3
4
5
6
7
8
9
10
Genotypic Frequency
AA
1
O
4
O
Observed
Aa
3
2
O
1
O
17
aa
1
3
4
5
Allelic Frequency
Observed
A (p)
0.5
0.5 0.5
0,8
a (q)
0.5
0,2
0.8 0.
0.1
O
0.9
Genotypic Frequency
Expected
2pq
0.50
p²
0.25
q²
0.25
0.25 0.50 0.25
0.04
0.32 0.64
0.64 0.16 0.01
0.01 0.18 0.81
O
O
100

5. Since the 1890s when northern elephant seals were hunted almost to
extinction, the populations have increased to 30,000 animals. In a
1974 study of genetic variation, scientists found that all elephant seals
are fixed for the same allele at 24 loci. Explain.

Expert Solution

Introduction:

The term "genetic variation" describes the variations in genetic make-up among members of the same species.
Alleles are variants of a gene that can result in variations in a specific trait. A locus is the precise location of a gene on a chromosome.
At a single locus, there may be several alleles, leading to variations in a specific trait.
Evolutionary processes depend on genetic variation because it enables the selection of advantageous traits in dynamic environments.

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