Biology (MindTap Course List)
11th Edition
ISBN: 9781337392938
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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Chapter 11.3, Problem 5C
Summary Introduction
To explain: The way in which variegation of X-linked genes related to the mechanism responsible for sex chromosome dosage compensation in humans and other mammals.
Introduction: The genes present on the X-chromosome are known as X-linked genes. X-linked genes in mammals have unique inheritance pattern. In females, the X-linked genes have the homozygous or the heterozygous pattern and in males, the X-linked genes have the hemizygous pattern.
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Chapter 11 Solutions
Biology (MindTap Course List)
Ch. 11.1 - Define the terms phenotype, genotype, locus,...Ch. 11.1 - Describe Mendels principles of segregation and...Ch. 11.1 - Distinguish among monohybrid, dihybrid, and test...Ch. 11.1 - Explain Mendels principles of segregation and...Ch. 11.1 - What is the maximum number of different alleles...Ch. 11.1 - Can Mendels principle of segregation be...Ch. 11.1 - Prob. 3CCh. 11.2 - PREDICT Use the rules of probability to answer the...Ch. 11.2 - In answering the previous question, did you use...Ch. 11.3 - Define linkage and relate it to specific events in...
Ch. 11.3 - Show how data from a two-point test cross can be...Ch. 11.3 - Discuss the genetic determination of sex and the...Ch. 11.3 - What ratio of genotypes to phenotypes is observed...Ch. 11.3 - Prob. 2CCh. 11.3 - CONNECT Two loci exhibit 5% recombination between...Ch. 11.3 - Which chromosome determines the male sex in humans...Ch. 11.3 - Prob. 5CCh. 11.4 - Explain some of the ways genes may interact to...Ch. 11.4 - Distinguish among incomplete dominance,...Ch. 11.4 - Prob. 11LOCh. 11.4 - Prob. 1CCh. 11.4 - What is the difference between multiple alleles...Ch. 11.4 - Prob. 3CCh. 11.4 - Prob. 4CCh. 11 - One of the autosomal loci controlling eye color in...Ch. 11 - The F1 flies described in question 1 were mated...Ch. 11 - The type of cross described in question 2 is (a)...Ch. 11 - Individuals of genotype AaBb were crossed with...Ch. 11 - Assume that the ratio of females to males is 1:1....Ch. 11 - Redgreen color blindness is an X-linked recessive...Ch. 11 - When two long-winged flies were mated, the...Ch. 11 - The long hair of Persian cats is recessive to the...Ch. 11 - Mr. and Mrs. Smith are concerned because their own...Ch. 11 - A walnut comb rooster is mated to three hens. Hen...Ch. 11 - Individuals of genotype AaBb were mated to...Ch. 11 - Genes A and B are 6 map units apart, and A and C...Ch. 11 - VISUALIZE Sketch a series of diagrams showing each...Ch. 11 - Can you always ascertain an organisms genotype for...Ch. 11 - CONNECT Compare the mechanisms of genetic...Ch. 11 - EVOLUTION LINK Darwins theory of evolution by...Ch. 11 - INTERPRET DATA Using the graph in Figure 11-20,...
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- Discuss the genetic determination of sex and the inheritance of X-linked genes in mammals.arrow_forwardQ1arrow_forwardMatch the following some are redundant please explain why?: Axis specification Pattern formation Genes encoding Nodal signnaling pathway members. Achondroplasia A gene which when present on th X chromosome due to a translocation cause 46, XX Differences in sex development. Organogenesis A family of genes which are found in 4 clusters of several related genes on the hiuman chromosomes . Genes which are found on the chromosomes in the same order as their expression pattern along with anterior-posterior axis in the early vertebrate embryo. HOX genes SOX9 SRY Cells moving and changing shape to form the alveoli of the developing lung Mutations in these genes can cause congenital heart defects PAX6 Establishing which cells will later become each of the different parts of the eye Establishing which cells in the early embryo will develop into the front or the back A condition caused by mutations in a gene encoding a FGF receptor Pax genesarrow_forward
- Question:- A) Give one domain.motif found in the SRY portion and state clearly how it leads to the development of the Wollfian system. B) Explain the genotype and the phenotype of an XY female and how such an individual could occur. C) Explain the genotype and the phenotype of an XX male and how such an individual could occur.arrow_forwardOutline the molecular mechanism of sex determination in Drosophila and mammals.arrow_forwardIn Drosophila sex determination (Check all that apply.) A) XY individuals transcribe the Sxl gene early but not late. B XX individuals carry the Sxl gene, XY individuals do not. XX individuals transcribe the Sxl gene, XY individuals do not. XX individuals express the Sxl protein, XY individuals do not. E) The Sxl transcript (Pre-MRNA) is spliced differently in XX compared to XY individuals.arrow_forward
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- Explain how X-chromosome inactivation may affect thephenotype of female mammalsarrow_forwardExplain the chromosomal and genetic control of sex determination in mammals. Clearly establish the difference between the primary and the secondary phases.arrow_forwardWedow et al. (2018) found that genes which predispose an individual towards gay sex: improve reproductive success in female siblings. are related to a higher number of heterosexual partners in the same individual are not a viable reproductive strategy are on the X genearrow_forward
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