Phenotypic variation in the populations is due to both genetic and environmental differences.

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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1.3

Phenotypic variation in the
A. F2 and BC1
B. F1 and F2
C. P1, P2, and F1
D. none of the choices
populations is due to both genetic and environmental differences.
Transcribed Image Text:Phenotypic variation in the A. F2 and BC1 B. F1 and F2 C. P1, P2, and F1 D. none of the choices populations is due to both genetic and environmental differences.
The number of genes responsible for a trait can be computed using phenotypic data from parents and the F2. For computations to be
accurate, which of the following must be satisfied?
A. The original parents must be homozygous.
B. The alleles must segregate independently.
C. The alleles may have unequal, but additive effects.
D. Both A and B.
Transcribed Image Text:The number of genes responsible for a trait can be computed using phenotypic data from parents and the F2. For computations to be accurate, which of the following must be satisfied? A. The original parents must be homozygous. B. The alleles must segregate independently. C. The alleles may have unequal, but additive effects. D. Both A and B.
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