Answered: from 1,000 individuals each year 1925…

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter12: Mendel, Genes, And Inheritance

Section: Chapter Questions

Problem 2ITD

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The ability to roll your tongue is a dominant genetic trait passed on from generation to generation. Tongue rolling is the ability to roll the lateral edges of your tongue upward into a tube. The frequency of the tongue rolling trait was collected from 1,000 individuals each year 1925 to 2000 and is show in the data table below.

Year	Tongue Rolling	Inability to Roll Tongue
1925	67%	33%
1950	68%	32%
1975	63%	37%
2000	67%	33%

(a) Determine if the human population was in equilibrium from 1925 to 2000. Justify your response.

(b) (b) Discuss how the Hardy Weinberg Principle can be used to determine whether this population is evolving

(c) (c) Identify and describe THREE factors that would affect whether the population of Tongue Rollers is in Hardy Weinberg equilibrium.

(d) (d) A scientist recently stated a claim that it is unlikely that the inability to roll your tongue will disappear from the population. Provide reasoning to explain how evidence supports the scientist’s claim.

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from 1,000 individuals each year 1925 to 2000 and is show in the data table below. Year Tongue Rolling Inability to Roll Tongue 1925 67% 33% 1950 68% 32% 1975 63%