Two different genes are located on the same chromosome in rabbits. A particular female rabbit is heterozygous for alleles of both genes, with alleles arranged as shown in the diagram to the right. Scientists know that the two genes are on the same chromosome, but do not know their exact relative positions, as indicated by the dashed line. Suppose this female mates with a male rabbit in which the same chromosome pair looks like this: ei iie Which of the following statements best describes the likelihood that this pair of rabbits would have offspring with a chromosome pair that looks like this: R- Eie R- eie More likely if the two genes are not very close together on the chromosome Not likely, because the R and e alleles are not on the same chromosome in either parent Very likely, because the random assortment of chromosomes during cell division to make sperm or eggs allows for the mixing of all alleles More likely if the two genes are very close together on the chromosome
Two different genes are located on the same chromosome in rabbits. A particular female rabbit is heterozygous for alleles of both genes, with alleles arranged as shown in the diagram to the right. Scientists know that the two genes are on the same chromosome, but do not know their exact relative positions, as indicated by the dashed line. Suppose this female mates with a male rabbit in which the same chromosome pair looks like this: ei iie Which of the following statements best describes the likelihood that this pair of rabbits would have offspring with a chromosome pair that looks like this: R- Eie R- eie More likely if the two genes are not very close together on the chromosome Not likely, because the R and e alleles are not on the same chromosome in either parent Very likely, because the random assortment of chromosomes during cell division to make sperm or eggs allows for the mixing of all alleles More likely if the two genes are very close together on the chromosome
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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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.
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11
Transcribed Image Text:Two different genes are located on the same chromosome in rabbits. A
particular female rabbit is heterozygous for alleles of both genes, with
alleles arranged as shown in the diagram to the right. Scientists know that
the two genes are on the same chromosome, but do not know their exact
relative positions, as indicated by the dashed line.
Suppose this female mates with a male rabbit in which the same
chromosome pair looks like this:
r
e
Which of the following statements best describes the likelihood that this pair
of rabbits would have offspring with a chromosome pair that looks like this:
||
RIH
More likely if the two genes are not very close together on the chromosome
Not likely, because the R and e alleles are not on the same chromosome in either
parent
ije
Very likely, because the random assortment of chromosomes during cell division to
make sperm or eggs allows for the mixing of all alleles
O More likely if the two genes are very close together on the chromosome
Expert Solution
Step 1: Introduction
Genes on different chromosomes are inherited independently of each other because each pair of homologous chromosomes lines up independently of the others when the chromosomes line up in the center of the cell near the beginning of the first meiotic division.
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