Problem 3) Butterflies show 3 phenotypes due to incomplete dominance at the D locus with alleles DY and DB giving green phenotype in heterozygotes and yellow and blue in homozygotes a) A population of butterflies showed 49% yellow, and 51% blue and green. What percentage of the gametes for the next generation would contain the DB allele? b) In another population only 1% of the butterflies are blue, What is the DY allele frequency? c) If the butterflies were subject to predation by birds that could easily detect blue & yellow individuals what effect would you expect this to have on the genotype and allele frequencies over time? Indicate possible percentages.

Human Anatomy & Physiology (11th Edition)
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ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
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ALL WORKING MUST BE SHOWN
Problem 3)
Butterflies show 3 phenotypes due to incomplete dominance at the
D locus with alleles D' and DB giving green phenotype in
heterozygotes and yellow and blue in homozygotes
a) A population of butterflies showed 49% yellow, and 51% blue
and green. What percentage of the gametes for the next generation
would contain the DB allele?
b) In another population only 1% of the butterflies are blue, What
is the DY allele frequency?
c) If the butterflies were subject to predation by birds that could
easily detect blue & yellow individuals what effect would you
expect this to have on the genotype and allele frequencies over
time? Indicate possible percentages.
Transcribed Image Text:ALL WORKING MUST BE SHOWN Problem 3) Butterflies show 3 phenotypes due to incomplete dominance at the D locus with alleles D' and DB giving green phenotype in heterozygotes and yellow and blue in homozygotes a) A population of butterflies showed 49% yellow, and 51% blue and green. What percentage of the gametes for the next generation would contain the DB allele? b) In another population only 1% of the butterflies are blue, What is the DY allele frequency? c) If the butterflies were subject to predation by birds that could easily detect blue & yellow individuals what effect would you expect this to have on the genotype and allele frequencies over time? Indicate possible percentages.
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