broad-sense heritab for a trait is very high and narrow-sense heritability is very ow, which of the following must be true? ODominance variance must be high relative to total phenotypic variance. OAdditive variance must be high relative to total phenotypic variance. O Genotypic-environmental covariance must be high relative to total phenotypic variance. Environmental variance must be high relative to total phenotypic variance.
broad-sense heritab for a trait is very high and narrow-sense heritability is very ow, which of the following must be true? ODominance variance must be high relative to total phenotypic variance. OAdditive variance must be high relative to total phenotypic variance. O Genotypic-environmental covariance must be high relative to total phenotypic variance. Environmental variance must be high relative to total phenotypic variance.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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If broad-sense heritability for a trait is very high and narrow-sense heritability is very
low, which of the following must be true?
O Dominance variance must be high relative to total phenotypic variance.
O Additive variance must be high relative to total phenotypic variance.
O Genotypic-environmental covariance must be high relative to total phenotypic
variance.
Environmental variance must be high relative to total phenotypic variance.
Transcribed Image Text:Listen
Which statement about heritability is NOT true?
O If heritability is high, then environmental factors do not have a big effect on
development of a phenotype in individuals.
O Heritability within a population can change over time.
OA high heritability measure in one population does not apply to other
populations.
Heritability does not indicate the degree to which development of a trait is
influenced by genes.
Heritability is a characteristic of a population as whole and not of individuals
within a population.
11:0 GANA
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