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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Textbook Question
Chapter 11.4, Problem 9LO
Explain some of the ways genes may interact to affect the
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Explain how an individual’s phenotype may be determined by multiple genes that interact with one another and with the environment.
Briefly describe how twin studies can reveal whether or not the appearance of a trait is strongly influenced by genetics.
Choose one human multifactorial condition and describe it in detail. Include a description of the condition, possible genetic and environmental components that cause the condition as well as an explanation of why it is difficult to study multifactorial conditions. Include references.
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https://www.genetics.edu.au/PDF/Environmental_and_genetic_interactions_fact_sheet-CGE.pdf
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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- in considering the interaction of multiple genes involved in complex traits and interaction with the environmental factors what does the organisms genotype represent? What does the phenotype represent? What does the environment have to do with it?arrow_forwardMatch each description with the correct genetic term. A trait expressed in offspring A trait that is masked or not expressed in offspring Identical paired alleles for a gene (TT or tt) Two different alleles for a gene (Tt) A basic unit of heredity The outward appearance of the alleles The allele combinations represented by letters or symbols Alternate forms of a gene Gene Answer Heterozygous Answer Recessive Answer Alleles Answer Dominant Answer Homozygous Answer Genotype Answer Phenotype Answerarrow_forwardplease choose from these options for each scenarioarrow_forward
- Define the difference between (a) gene and allele, (b) dominant allele and recessive allele, (c) homozygote and heterozygote, and (d) genotype and phenotype.arrow_forwardWhich of the following defines polygenic inheritance? An inheritance pattern in which one allele is not fully dominant over another, so the heterozygous phenotype is an intermediate blend of the two homozygous phenotypes An inheritance pattern in which the full and separate phenotypic effects of two alleles are apparent in heterozygous individuals An inheritance pattern in which a single gene affects multiple traits A pattern of inheritance in which multiple genes affect one traitarrow_forwardSingle gene Mendelian inheritance patterns: if you are told the phenotype of the parents and whether the trait is dominant or recessive etc, be able to predict the genotype of the children. If you are told the phenotype of the parent as well as the inheritance pattern, be able to predict the parent’s genotype. Be able to set up and use a Punnett square to solve problems and make predictions. Be able to explain the major steps in how information from our genes is used to make proteins. Or to show it in a labeled diagram. Be able to explain whatis transcription, translation. Where in the cell do these processes occur? In what order? What type of molecules are being made [DNA, RNA, protein]? What are their building blocks? What is a mutation? How can a mutation in DNA cause a change in a protein? (use the following terms to answer: codon, transcription, translation, mRNA). What is gene expression? Why is regulation of gene expression important for normal…arrow_forward
- Define twin concordance and explain how twin studiescan be used to investigate the importance of genetic andenvironmental factors in the expression of a trait.arrow_forwardName: Class Date Polygenic Inheritance: Cat Coat Color Read aboutthe inheritance of cat coat color In each cat below, predict the phenotype of each genotype and color in each catl Make sure you indicate whether each cat is male or female One gene that affects coat color in cats is an x linked gene we'll call the pigment gene. One allele causes black fur (X) and one allele gives the cat orange fur (X"). These alleles act in a codominant manner, because when a cat has two different alleles (XB Xb), the cat has a pattern called tortoise shell, where the cat has both orange and black hairs. The Y chromosome does not have this coat color gene There is another gene that affects coat color in cats called the piebalding gene. This gene is on an autosomal chromosome and the alleles affect the amount of white patches that appear in the cat's coat, Some cats (ss) have o white patches and their other colors are blended, not patchy. Some cats (SS or Ss) have white patches and their other colors are…arrow_forwardDiscuss how studies using identical twins may help determine how much of a phenotype is based on genetics andhow much is environmental.arrow_forward
- see photoarrow_forwardDefine ‘gene’. What is an allele and loss-of-function alleles? What do these alleles tell us about normal gene function?arrow_forwardWrite a short explanatory essay on the following statement: “Incases of genetically programmed phenotypic plasticity, naturalselection acts on the norm of reaction. Thus the norm of reactionas a whole—rather than any one phenotype—determines ifselection is positive or negative.”arrow_forward
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