Essentials of Genetics Plus Mastering Genetics with eText -- Access Card Package (9th Edition) (Klug et al. Genetics Series)
9th Edition
ISBN: 9780134047201
Author: William S. Klug, Michael R. Cummings, Charlotte A. Spencer, Michael A. Palladino
Publisher: PEARSON
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Chapter 21, Problem 10PDQ
List as many human traits as you can that are likely to be under the control of a polygenic mode of inheritance.
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Students have asked these similar questions
Compare and contrast polygenic and multifactorial traits.
If a single expressed gene can affect multiple traits at once, what would be the most precise manner of referring to this phenomenon?
a) Polygenic.
b) Monogenic.
c) Pleiotropic.
d) Polytropic.
Explain the characteristics of polygenic and multifactorial traits.
Chapter 21 Solutions
Essentials of Genetics Plus Mastering Genetics with eText -- Access Card Package (9th Edition) (Klug et al. Genetics Series)
Ch. 21 -
CASE STUDY | A genetic flip of the coin
On July...Ch. 21 - CASE STUDY|A genetic flip of the coin On July 11,...Ch. 21 -
CASE STUDY|A genetic flip of the coin
On July...Ch. 21 - HOW DO WE KNOW?
1. In this chapter, we focused on...Ch. 21 - Review the Chapter Concepts list on page 422....Ch. 21 -
3. Define the following: (a) polygenic, (b)...Ch. 21 - A dark-red strain and a white strain of wheat are...Ch. 21 - Height in humans depends on the additive action of...Ch. 21 -
6. An inbred strain of plants has a mean height...Ch. 21 - Prob. 7PDQ
Ch. 21 - In the following table, average differences of...Ch. 21 - What kind of heritability estimates (broad sense...Ch. 21 - List as many human traits as you can that are...Ch. 21 - Corn plants from a test plot are measured, and the...Ch. 21 -
12. The following variances were calculated for...Ch. 21 - The mean and variance of plant height of two...Ch. 21 - A hypothetical study investigated the vitamin A...Ch. 21 - In a herd of dairy cows the narrow-sense...Ch. 21 - In an assessment of learning in Drosophila, flies...Ch. 21 - Suppose you want to develop a population of...Ch. 21 -
18. In a population of tomato plants, mean fruit...Ch. 21 - In a population of 100 inbred, genotypically...Ch. 21 - In a cross between a strain of large guinea pigs...Ch. 21 - While most quantitative traits display continuous...
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- Please define the term “polygenic trait”. Please compare the polygenic traits with nonpolygenic traits. Please give examples of polygenic traits.arrow_forwardDescribe how traits can exhibit incomplete penetrance and vary in their expressivity.arrow_forwardsix small pedigrees are displayed. Indicate with J (yes) or N (No) if each pedigree is compatible with each of the following types of inheritance. Assume that the genetic characteristics are common in general population. Use table just like the table below in answering A B C D E F Autosomal Recessive Autosomal Dominant X-bound recessive X-bound dominant Y-Bottomarrow_forward
- Explain how you would go about determining therelative importance of genes and the environment forvariation in risk for a complex trait such as type 2 diabetes.arrow_forwardA polygenic trait has three loci. How many dominant alleles will the offspring of Eduardo (AABBCC) and Katje (aaBBcc) have?arrow_forwardIncomplete penetrance can make autosomal dominant traits skip generations within a family tree. True or False.arrow_forward
- When a trait is only expressed in the presence of two identical alleles, the genotype is Select one: a. Heterozygous dominant b. Heterozygous recessive c. Homozygous dominant d. Homozygous recessivearrow_forwardDescribe how polygenic inheritance may result in a continuum of phenotypes.arrow_forwardWhen a trait is only expressed in the presence of two identical alleles, the genotype is a. Heterozygous dominant b. Homozygous dominant c. Homozygous recessive d. Heterozygous recessivearrow_forward
- What is polygenic inheritance? Discuss the issues that make polygenicinheritance difficult to study.arrow_forwardBriefly explain how the number of genes influencing a polygenic trait can be determined.arrow_forwardDefine incomplete dominance, codominance,multiple alleles, epistasis, and polygenic inheritancearrow_forward
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