HUMAN BIOLOGY W/ACCESS
16th Edition
ISBN: 9781260997231
Author: Mader
Publisher: MCG
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Chapter 21.4, Problem 1CYP
Summary Introduction
To analyze:
The bell-shaped curve of polygenic inheritance.
Introduction:
In polygenic inheritance, the single character controls by more than two genes. The traits controlled by the polygenic inheritance are eye color, weight, skin color and height. This type of inheritance is also called as multiple gene inheritance.
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Describe how polygenic inheritance may result in a continuum of phenotypes.
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Chapter 21 Solutions
HUMAN BIOLOGY W/ACCESS
Ch. 21.1 - Distinguish between a genotype and a phenotype.Ch. 21.1 - Define allele, gene, dominant, and recessive as...Ch. 21.1 - Prob. 3LOCh. 21.1 - Define the following terms:Â gene, allele, locus,...Ch. 21.1 - Prob. 2CYPCh. 21.1 - Prob. 3CYPCh. 21.2 - Prob. 1LOCh. 21.2 - Calculate the probability of a specific genotype...Ch. 21.2 - Prob. 1CYPCh. 21.2 - Prob. 2CYP
Ch. 21.2 - Using a dihybrid cross as an example (see Fig....Ch. 21.3 - Interpret a human pedigree to identify the pattern...Ch. 21.3 - Prob. 2LOCh. 21.3 - Solve the following: In a pedigree, all the...Ch. 21.3 - Prob. 2CYPCh. 21.3 - Explain why some incidences of autosomal recessive...Ch. 21.4 - Prob. 1LOCh. 21.4 - Prob. 2LOCh. 21.4 - Prob. 3LOCh. 21.4 - Prob. 1BTSCh. 21.4 - Prob. 2BTSCh. 21.4 - Prob. 1CYPCh. 21.4 - Prob. 2CYPCh. 21.4 - Discuss the potential evolutionary advantages of...Ch. 21.5 - Prob. 1LOCh. 21.5 - Prob. 2LOCh. 21.5 - Prob. 1CYPCh. 21.5 - Prob. 2CYPCh. 21.5 - Discuss why X-linked disorders are more common...Ch. 21.5 - Prob. 1BTSCh. 21.5 - Prob. 2BTSCh. 21 - Prob. 1ACh. 21 - 2. Which of the toll awing terms refers to...Ch. 21 - Prob. 3ACh. 21 - Prob. 4ACh. 21 - 5. The genotype of an individual with the dominant...Ch. 21 - Prob. 6ACh. 21 - Prob. 7ACh. 21 - Prob. 8ACh. 21 - Which of the following disorders is caused by a...Ch. 21 - Prob. 10ACh. 21 - Prob. 11ACh. 21 - Prob. 12ACh. 21 - Which of the following terms may be used to...Ch. 21 - Prob. 14ACh. 21 - Prob. 15ACh. 21 - Prob. 1TCCh. 21 - Prob. 2TCCh. 21 - Prob. 3TC
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- Discuss the differences among sex-influenced, sex-limited, andsex-linked inheritance. Give examples.arrow_forwardWhat is polygenic inheritance? Discuss the issues that make polygenicinheritance difficult to study.arrow_forwardDefine polygenic inheritance. List two human straits that follow this pattern of inheritance.arrow_forward
- Briefly explain the polygenic inheritance ?arrow_forwardDefine late-onset genetic traitarrow_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_forward
- Please differentiate maternal inheritance from maternal effect inheritance. Expound with an example for each.arrow_forwardExplain the mechanism of maternal effect inheritance at the molecular and cellular level.arrow_forwardConsider the pedigree below for the fuzzy knuckles trait, denoted with the gene symbol F or f (if autosomal), or XF or Xf (if X-linked) and answer the questions below. I = = 1 1 1 2 2 Autosomal Recessive X-linked Dominant X-linked Recessive 2 3 3 4 4 5 5 Which modes of inheritance are possible? (Indicate yes or no with Y or N) Autosomal Dominant 6 6arrow_forward
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