In a population of 1,000 squirrels, 60 are melanistic. Agouti fur (each hair displays two or more bands of pigmentation) is dominant over melanistic fur (excess of pigmentation that leads to a dark, often almost black fur). How often is agouti fur expressed? 0.25 0.75 0.9375 0.06

In a population of 1,000 squirrels, 60 are melanistic. Agouti fur (each hair displays two or more bands of pigmentation) is dominant over melanistic fur (excess of pigmentation that leads to a dark, often almost black fur). How often is agouti fur expressed? 0.25 0.75 0.9375 0.06

Biomedical Instrumentation Systems

1st Edition

ISBN:9781133478294

Author:Chatterjee

Publisher:Chatterjee

Chapter13: Artifacts And Noise In Medical Instrumentation

Section: Chapter Questions

Problem 7P

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Question

In a population of 1,000 squirrels, 60 are melanistic. Agouti fur (each hair displays two or more bands of pigmentation) is dominant over melanistic fur (excess of pigmentation that leads to a dark, often almost black fur). How often is agouti fur expressed?

0.25

0.75

0.9375

0.06

Expert Solution

Step 1: Introduction

A population of $space 1 comma 000 space$ squirrels contains $space 60 space$ melanistic individuals. Melanistic fur is subordinate to agouti fur. This indicates that the agouti allele is expressed even if the squirrel's genome only contains one copy. Only in the presence of two copies does the melanistic allele manifest.

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