Consider a population of 2500 individuals at Hardy-Weinberg equilibrium. There are two loci, each with two alleles, in linkage equilibrium with one another. - At the first locus the alleles "A" and "e" cause two distinct phenotypes; individuals who are "AA" or "Ae" are Alabaster whereas individuals who are "ee" are ebony. - At the second locus the alleles "L" and "S" cause three distinct phenotypes. Individuals who are "LL" are large, individuals who are "LS" are medium and individuals who are "SS" are small. If we determine that there are 1029 alabaster large and 196 ebony large individuals: (a) What is the frequency of the "A" allele? Round to nearest 0.001. (b) How many copies of the "e" allele exist in the population? Round to nearest integer. (c) What proportion of the population are ebony medium individuals? Round to nearest 0.001.

Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN:9781305251052
Author:Michael Cummings
Publisher:Michael Cummings
Chapter19: Population Genetics And Human Evolution
Section: Chapter Questions
Problem 9QP: Using the HardyWeinberg Law in Human Genetics Suppose you are monitoring the allelic and genotypic...
icon
Related questions
icon
Concept explainers
Question
Consider a population of 2500 individuals at Hardy-Weinberg equilibrium. There are
two loci, each with two alleles, in linkage equilibrium with one another.
- At the first locus the alleles "A" and "e" cause two distinct phenotypes; individuals
who are "AA" or "Ae" are Alabaster whereas individuals who are "ee" are ebony.
-At the second locus the alleles "L" and "S" cause three distinct phenotypes.
Individuals who are "LL" are large, individuals who are "LS" are medium and
individuals who are "SS" are small.
If we determine that there are 1029 alabaster large and 196 ebony large individuals:
(a) What is the frequency of the "A" allele? Round to nearest 0.001.
(b) How many copies of the "e" allele exist in the population? Round to nearest
integer.
(c) What proportion of the population are ebony medium individuals? Round to
nearest 0.001.
(d) How many individuals will be homozygous at both loci? Round to nearest integer.
(e) If the environment suddenly changed and ebony individuals gained a 10%
increase to their fitness relative to alabaster, what would the frequency of the "A"
allele be in the next generation? Round to nearest 0.001.
Transcribed Image Text:Consider a population of 2500 individuals at Hardy-Weinberg equilibrium. There are two loci, each with two alleles, in linkage equilibrium with one another. - At the first locus the alleles "A" and "e" cause two distinct phenotypes; individuals who are "AA" or "Ae" are Alabaster whereas individuals who are "ee" are ebony. -At the second locus the alleles "L" and "S" cause three distinct phenotypes. Individuals who are "LL" are large, individuals who are "LS" are medium and individuals who are "SS" are small. If we determine that there are 1029 alabaster large and 196 ebony large individuals: (a) What is the frequency of the "A" allele? Round to nearest 0.001. (b) How many copies of the "e" allele exist in the population? Round to nearest integer. (c) What proportion of the population are ebony medium individuals? Round to nearest 0.001. (d) How many individuals will be homozygous at both loci? Round to nearest integer. (e) If the environment suddenly changed and ebony individuals gained a 10% increase to their fitness relative to alabaster, what would the frequency of the "A" allele be in the next generation? Round to nearest 0.001.
Expert Solution
steps

Step by step

Solved in 5 steps

Blurred answer
Knowledge Booster
Population evolution
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Human Heredity: Principles and Issues (MindTap Co…
Human Heredity: Principles and Issues (MindTap Co…
Biology
ISBN:
9781305251052
Author:
Michael Cummings
Publisher:
Cengage Learning