EBK BIOLOGY
EBK BIOLOGY
5th Edition
ISBN: 8220100667978
Author: Maier
Publisher: PEARSON
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Chapter 12, Problem 7LTB
Summary Introduction

Introduction:

According to the Hardy-Weinberg equilibrium, the frequencies of the alleles and genotypes in a population remain the same for various generations. Generally, allele and genotype frequencies change over time due to evolution, so a population that follows Hardy-Weinberg equilibrium does not evolve. The assumptions made for Hardy-Weinberg equilibrium are no mutation, no gene flow, no mating, and no natural selection.

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In a large herd of 5468 sheep, 76 animals have yellow fat, and the rest of the members of the herd have white fat. Yellow fat is inherited as a recessive trait. This herd is assumed to be in Hardy-Weinberg equilibrium. A. What are the frequencies of the white and yellow fat alleles in this population? B. Approximately how many sheep with white fat are heterozygous carriers of the yellow allele?
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