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7. Here are allele frequencies for the black allele (f (y)) in 2010 and 2020 for island A and the mainland. 2010 2020 0.39 0.77 Island A 0.26 Mainland 0.77 Give an estimate of the rate of migration into island A from the mainland for this time interval, given the allele frequencies observed. (A) 0.0

7. Here are allele frequencies for the black allele (f (y)) in 2010 and 2020 for island A and the mainland. 2010 2020 0.39 0.77 Island A 0.26 Mainland 0.77 Give an estimate of the rate of migration into island A from the mainland for this time interval, given the allele frequencies observed. (A) 0.0

Human Anatomy & Physiology (11th Edition)
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
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I need help answering these questions. The table census table is provided to answer question 8. 

Consider the following species of squirrel in answering the questions on this test. The Lesser Fluffy Squirrel lives on islands in the Pacific. You study three islands (A, B, and C) along with a very large mainland population. The following table shows census information for several years of the study: Island A Island B Island C 1980 47 121 Population censuses (numbers of squirrels) 2000 18 117 1990 12 100 501 2010 60 101 2020 62 130 546 498 512 536 Mainland (mainland was not censused, treat as very large) The Lesser Fluffy Squirrel has two genes of interest. The Y locus has two alleles (Y = yellow, y = black; and Y> y, Y is dominant to y).. The F locus controls fur length such: F-F² = long fur F-F$ = medium fur F$F$ = short fur %3D
Transcribed Image Text:Consider the following species of squirrel in answering the questions on this test. The Lesser Fluffy Squirrel lives on islands in the Pacific. You study three islands (A, B, and C) along with a very large mainland population. The following table shows census information for several years of the study: Island A Island B Island C 1980 47 121 Population censuses (numbers of squirrels) 2000 18 117 1990 12 100 501 2010 60 101 2020 62 130 546 498 512 536 Mainland (mainland was not censused, treat as very large) The Lesser Fluffy Squirrel has two genes of interest. The Y locus has two alleles (Y = yellow, y = black; and Y> y, Y is dominant to y).. The F locus controls fur length such: F-F² = long fur F-F$ = medium fur F$F$ = short fur %3D
7. Here are allele frequencies for the black allele (f (y)) in 2010 and 2020 for island A and the mainland. 2010 0.26 0.77 2020 Island A 0.39 Mainland 0.77 Give an estimate of the rate of migration into island A from the mainland for this time interval, given the allele frequencies observed. (A) 0.0 <m <0.2 (D) 0.6 < m <0.8 (B) 0.2 <m_<0.4 (E) 0.8 <m_<1.0 (C) 0.4 <m_<0.6 8. Calculate effective population size (Na) across the populations for island A (use the main census 5 census years, and use the harmonic mean estimator for Ne). (C) 40 < Ne < 60 table (A) O< Ne < 20 (B) 20 < Ne < 40 (D) 60 < N < 80 Let us say that gene flow among the islands is uniform over the interval of study but varies across islands. Also, the islands have effective population sizes as indicated in the table, except you must enter your estimate for Na for island A from problem 8. Ne m Island A 0.59 Island B 112.6 0.46 Island C 517.9 0.02 9. Which island, based strictly on Ne, is most likely to experience fluctuations in allele frequencies đue to random genetic drift? (A) island A (B) island B (C) island C 10. Which island, based on the combined evidence of Ne and m, is most likely to drift away from the allele frequencies of the other islands? (A) island A (B) island B (C) island C
Transcribed Image Text:7. Here are allele frequencies for the black allele (f (y)) in 2010 and 2020 for island A and the mainland. 2010 0.26 0.77 2020 Island A 0.39 Mainland 0.77 Give an estimate of the rate of migration into island A from the mainland for this time interval, given the allele frequencies observed. (A) 0.0 <m <0.2 (D) 0.6 < m <0.8 (B) 0.2 <m_<0.4 (E) 0.8 <m_<1.0 (C) 0.4 <m_<0.6 8. Calculate effective population size (Na) across the populations for island A (use the main census 5 census years, and use the harmonic mean estimator for Ne). (C) 40 < Ne < 60 table (A) O< Ne < 20 (B) 20 < Ne < 40 (D) 60 < N < 80 Let us say that gene flow among the islands is uniform over the interval of study but varies across islands. Also, the islands have effective population sizes as indicated in the table, except you must enter your estimate for Na for island A from problem 8. Ne m Island A 0.59 Island B 112.6 0.46 Island C 517.9 0.02 9. Which island, based strictly on Ne, is most likely to experience fluctuations in allele frequencies đue to random genetic drift? (A) island A (B) island B (C) island C 10. Which island, based on the combined evidence of Ne and m, is most likely to drift away from the allele frequencies of the other islands? (A) island A (B) island B (C) island C
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