Essential Genetics: A Genomic Perspective: Study Guide and Solution Manual

Daniel L. Hartl, Elizabeth W. Jones

Chapter 15 The Genetic Basis of Complex Inheritance - all with Video Answers

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Chapter Questions

Problem 1

The distribution of height among 1000 newborn boys has the mean of 50 cm and the variance of $3.61 \mathrm{~cm}^2$. How many boys are expected to be between 46.2 and 53.8 cm tall?

Natalie Anderson

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01:04

Problem 2

If the variance of a normal distribution is 0.64 , then the standard deviation equals what?
A) 0
B) 0.64
C) 0.8
D) 0.75
E) 1

Sarah Howell

Numerade Educator

01:48

Problem 3

If the correlation coefficient between half siblings is 0.05 , what is the narrow sense heritability?

Jessica Wooten

Numerade Educator

02:48

A In a cross between two inbred lines of house fly Musca domectica the F, progeny has
the variance of 0.9 for the number of abdominal bristles. The $\mathrm{F}_2$ generation has the variance of 3.5 . What is the genotypic variance?

Kendrick Buford

Numerade Educator

02:14

Problem 5

Approximately 95 percent of the population has phenotypes within. ____ standard deviations of the mean.

Sheryl Ezze

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Problem 6

The variance is a measure of the spread of the distribution and is estimated in terms of ____

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02:43

Problem 7

____ traits depend on an underlying quantitative trait, called the liability, which refers to the degree of genetic risk or predisposition to the trait.

Bryan Valdivia

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01:38

Problem 8

A mouse population between weeks 3 and 5 has an average weight gain of 5 grams, and the narrow-sense heritability of the weight gain between 3 and 5 weeks is 25 percent. What average weight gain would be expected among the offspring of parents whose average gain was 15 grams?

Jessica Wooten

Numerade Educator

02:48

Problem 9

In an experiment with apples, the mean weight difference between two lines was 12.65 g . The genotypic variance was estimated as $4 \mathrm{~g}^2$. Estimate the minimum number of genes affecting this trait.

Kendrick Buford

Numerade Educator

00:39