Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Chapter 13.4, Problem 2SB
Summary Introduction
To review:
Whether wiggly ears are autosomal recessive or sex-linked recessive trait.
Introduction:
When the genes are present on X-chromosomes, then it is known as X-linked trait. For example, the genes for colored eyes in Drosophila are present on X-chromosome and is hence called X-linked recessive trait. When the genes are present on autosomes, that is, chromosomes other than sex chromosomes, then it is known as autosomal trait. For example, malformed hands in humans is an autosomal trait. It can be passed to an offspring from both the parents. It will become an autosomal recessive trait when an individual has both recessive genes in an allelic pair.
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Is it possible for a recessive trait to skip a generation meaning the parents do not display the trait but at least one of their children does ?
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Chapter 13 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 13.1 - You want to determine whether genes a and b are...Ch. 13.2 - You have a true-breeding strain of...Ch. 13.3 - What mechanisms are responsible for: (a)...Ch. 13.4 - A man has Simpson syndrome, an addiction to a...Ch. 13.4 - Prob. 2SBCh. 13.5 - Prob. 1SBCh. 13 - In humans, redgreen color blindness is an X-linked...Ch. 13 - The following pedigree shows the pattern of...Ch. 13 - Individuals affected by a condition known as...Ch. 13 - A number of genes carried on the same chromosome...
Ch. 13 - Prob. 5TYKCh. 13 - Discuss Concepts Can a linkage map be made for a...Ch. 13 - In Drosophila, two genes, one for body color and...Ch. 13 - Another gene in Drosophila determines wing length....Ch. 13 - Prob. 9TYKCh. 13 - You conduct a cross in Drosophila that produces...Ch. 13 - Discuss Concepts Crossing-over does not occur...Ch. 13 - Prob. 12TYKCh. 13 - Prob. 13TYKCh. 13 - Prob. 14TYKCh. 13 - Prob. 1ITDCh. 13 - Prob. 2ITDCh. 13 - Prob. 3ITDCh. 13 - Prob. 4ITD
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- What is the difference between homozygous recessive and homozygous?arrow_forwardDoes a single fingerprint pattern run in your family? Why are fingerprints unique to every individual? In polygenic inheritance, explain the many different types of fingerprint pattern?arrow_forwardIf an individual is heterozygous for a gene with two alleles, one dominant and one recessive, what would the phenotype be?arrow_forward
- If both parents are carriers of an autosomal recessive trait, what can you say about their children? Explain.arrow_forwardWhich genotype is indicative of the carriers of a trait associated with an autosomal recessive inheritance pattern? Tt TT tt All of thesearrow_forwardIf an individual is bald, so you can't tell whether or not they have a widow's peak, but neither parent has a widow's peak, which genotypes are possible? Unable to determine Heterozygous Homozygous recessive Homozygous dominantarrow_forward
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