Biological Science
5th Edition
ISBN: 9780321743671
Author: Scott Freeman
Publisher: PEARSON
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Chapter 26, Problem 7TYU
QUANTITATIVE In a population of 2500, how many babies would you expect to have cystic fibrosis, a homozygous recessive condition, if the frequency of the dominant allele is 0.9 and the population is at Hardy–Weinberg equilibrium?
a. 0.9 × 2500 = 2025
b. 2 × 0.9 × 0.1× 2500 = 800
c. 0.9 × 0.1 × 2500 = 400
d. 0.1 × 0.1 × 2500 = 25
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Suppose that in a population the frequency of a particular recessive condition is 1/400. Assume this is locus with two alleles (A and a) in the population and that the population is at Hardy–Weinberg equilibrium. What is the frequency of the carriers of this condition in the population?
A.
0.9025
B.
0.0025
C.
0.05
D.
0.095
E.
0.0475
The allele frequency of C is 0.4 and c is 0.6. If the population is in Hardy-Weinberg equilibrium, what is the frequency of heterozygotes?
a. 0.16 c. 0.26
b. 0.24 d. 0.48
If the frequency of allele 1 is 0.8 and the frequency of allele 2 is 0.2 what is the expected frequency of heterozygotes under Hardy Weinberg?
Group of answer choices
A. 0.32
B. 0.8
C. 0.2
D. 0.16
Chapter 26 Solutions
Biological Science
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