based on the image attacheda) Explain how genetic drift caused egg hatching to decrease in the late 1980s and 1990. b) Why did hatching improve following translocations? c) What are the general effects of gene flow between populations 100Eggs hatched (%)806040201651963NO5Ho112828न1970301515TB1310992711980YearNH8696199010H3199720015010050Prairie-chicken cocksFigure 2. The greater prairie chicken's numbers in Illinois plummeted during the late 20thcentury (triangles). During this period, the percentage of eggs that hatched successfully(circles) also decreased. Following translocations from other states, hatching improved.

There can be various reasons for egg not being hatched. A. Genetic drift occurs in low population…

Explain how genetic drift caused egg hatching to decrease in the late 1980s and 1990. b) Why did hatching improve following translocations? c) What are the general effects of gene flow between populations

Explain how genetic drift caused egg hatching to decrease in the late 1980s and 1990. b) Why did hatching improve following translocations? c) What are the general effects of gene flow between populations

An Illustrated Guide To Vet Med Term

4th Edition

ISBN:9781305465763

Author:ROMICH

Publisher:ROMICH

Chapter21: Hog Heaven

Section: Chapter Questions

Problem 16MC

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Concept explainers

Genetic Evolution

Sexual reproduction produces distinct population variations. Heredity determines the traits and qualities to be passed down to the progeny. Over time, this variation within-species is also affected by the process of human evolution. The study of how genetic variation leads to evolutionary changes is known as genetic evolution. If a trait helps an organism to survive and reproduce, it is more likely to be passed down the generations. It is rare that such traits result in a completely distinct set of traits in descendants than the ancestral population; this can result in the emergence of a new species.

Question

based on the image attached

a) Explain how genetic drift caused egg hatching to decrease in the late 1980s and 1990.

b) Why did hatching improve following translocations?

c) What are the general effects of gene flow between populations

100
Eggs hatched (%)
80
60
40
20
16
5
1963
NO
5
Ho
11
28
28
न
1970
30
15
15
TB
1310
9
9
2
7
1
1980
Year
NH
8
6
96
1990
10
H
3
1997
200
150
100
50
Prairie-chicken cocks
Figure 2. The greater prairie chicken's numbers in Illinois plummeted during the late 20th
century (triangles). During this period, the percentage of eggs that hatched successfully
(circles) also decreased. Following translocations from other states, hatching improved.

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