Answered: Classify each statement about the…

Classify each statement about the heritability of a phenotype according to the narrow-sense heritability value it describes. 0.01 0.5 1.0

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter5: The Inheritance Of Complex Traits

Section: Chapter Questions

Problem 21QP: What is the importance of the comparison of traits between adopted and natural children in...

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Concept explainers

Genetic Variation

Genetic variation refers to the variation in the genome sequences between individual organisms of a species. Individual differences or population differences can both be referred to as genetic variations. It is primarily caused by mutation, but other factors such as genetic drift and sexual reproduction also play a major role.

Quantitative Genetics

Quantitative genetics is the part of genetics that deals with the continuous trait, where the expression of various genes influences the phenotypes. Thus genes are expressed together to produce a trait with continuous variability. This is unlike the classical traits or qualitative traits, where each trait is controlled by the expression of a single or very few genes to produce a discontinuous variation.

Question

statements

- Environmental variance contributes to phenotypic variability in the population

- The offspring and their parents share fee heritable similarities

- Half the observed variation is due to the additive genetic effects of alleles.

- A species of birds passes down the long-beaked trait to their offspring in the absence of environmental factors

- This heritability value exists in the absence of environmental changes.

Classify each statement about the heritability of a phenotype according to the narrow-sense heritability value it describes.
0.01
0.5
1.0
Answer Bank

Definition Definition Observable physical traits or characteristics of an organism, which are determined by its genetic makeup (genotype) as well as environmental factors. These traits can include anything from eye color or height to behavior or disease susceptibility. Understanding an organism's phenotype is important in fields such as genetics, medicine, and ecology.

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