The ability to breathe fire in dragons is controlled by a single gene with two alleles. The fire-breathing allele (F) is dominant to the non-fire breathing allele (f). In a population of 600 dragons, 150 dragons are non-fire breathing (ff) and the rest can breathe fire (either FF or Ff). The population is in Hardy-Weinberg equilibrium. The frequency of the dominant allele (F) is represented by "p" and the frequency of the recessive allele (f) is represented by "q". Recall the allele frequency is p+q = 1 and the Hardy-Weinburg equation is p2+ 2pq + q2 = 1. What is the frequency of the recessive allele (f)? Hint: you can figure out the frequency of ff, which is equal to q2, but then you need to solve for q 5. A. B. What is the frequency of heterozygous individuals (Ff) in the bopulation? Hint: this would be equal to 2pq. You already solved for q, so you need to determine p before you can solve for 2pq.

Human Anatomy & Physiology (11th Edition)
11th Edition
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Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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The ability to breathe fire in dragons is controlled by a single gene with two alleles. The
fire-breathing allele (F) is dominant to the non-fire breathing allele (f) In a population of 600
dragons, 150 dragons are non-fire breathing (ff) and the rest can breathe fire (either FF or Ff).
The population is in Hardy-Weinberg equilibrium. The frequency of the dominant allele (F) is
represented by "p" and the frequency of the recessive allele (f) is represented by "q". Recall the
allele frequency is p+q = 1 and the Hardy-Weinburg equation is p2 + 2pq + q2 = 1.
5.
+.
A.
What is the frequency of the recessive allele (f)? Hint: you can figure out the frequency
of ff, which is equal to q2, but then you need to solve for q
B.
What is the frequency of heterozygous indrviduals (Ff) in the bopulation? Hint: this
would be equal to 2pq. You already solved for q, so you need to determine p before you can
solve for 2pq.
Transcribed Image Text:The ability to breathe fire in dragons is controlled by a single gene with two alleles. The fire-breathing allele (F) is dominant to the non-fire breathing allele (f) In a population of 600 dragons, 150 dragons are non-fire breathing (ff) and the rest can breathe fire (either FF or Ff). The population is in Hardy-Weinberg equilibrium. The frequency of the dominant allele (F) is represented by "p" and the frequency of the recessive allele (f) is represented by "q". Recall the allele frequency is p+q = 1 and the Hardy-Weinburg equation is p2 + 2pq + q2 = 1. 5. +. A. What is the frequency of the recessive allele (f)? Hint: you can figure out the frequency of ff, which is equal to q2, but then you need to solve for q B. What is the frequency of heterozygous indrviduals (Ff) in the bopulation? Hint: this would be equal to 2pq. You already solved for q, so you need to determine p before you can solve for 2pq.
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