Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN: 9781305251052
Author: Michael Cummings
Publisher: Cengage Learning
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Chapter 1.3, Problem 1EG
Ancient societies used knowledge that traits are heritable in domesticating animals and developing agricultural crops. What might account for the failure to recognize that the same processes operate in humans?
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Many genetic studies, particularly those of recessive traits, have focused on small, isolated human populations, such as those on islands. Suggest one or more advantages that isolated populations might have for the study of recessive traits.
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Chapter 1 Solutions
Human Heredity: Principles and Issues (MindTap Course List)
Ch. 1.3 - Ancient societies used knowledge that traits are...Ch. 1.3 - Why do unrelated children with a disorder such as...Ch. 1 - Mary and Marcie. identical twins, go to the same...Ch. 1 - Summarize Mendels conclusions about traits and how...Ch. 1 - What is population genetics?Ch. 1 - What is hereditarianism, and what is the invalid...Ch. 1 - What impact has recombinant DNA technology had on...Ch. 1 - Prob. 5QPCh. 1 - Prob. 6QPCh. 1 - In what way has biotechnology had an impact on...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Are polymorphisms common or rare in natural populations?arrow_forwardWhat do you notice is similar about the distribution of the HERC2 variant for blue eyes and the F374 allele for lighter skin pigmentation? Based on what you know about skin color and human variation, what evolutionary circumstances might have caused this distribution of the blue-eye variant?arrow_forwardWhich are some of the Most Common Single-Gene Traits in Humans?arrow_forward
- A rare recessive mutation causes rabbits that are normally white to be pink. If one in a hundred rabbits is pink, what is the frequency of the pink allele?arrow_forwardWhat the difference between “homologous traits” and “analogous traits”?arrow_forwardIn guinea pigs, an allele for rough fur (R) is dominant over an allele for smooth fur (r), and an allele for black coat (B) is dominant over an allele for white fur (b). What would be the genotype of a guinea pig with smooth black fur?arrow_forward
- Why are phenotypes the product of both their genes and their environments?arrow_forwardWhy do Humans require pedigree analysis instead of breeding experiments to determine how a trait is inherited?arrow_forwardDescribe an ancient hypothesis that explains how traits are passed from parents to offspring. What is the modern concept that contradicts this hypothesis?arrow_forward
- Human communities around the world that are isolated geographically or culturally serve as an important resource for studying human genetics. Why would research on recessive alleles benefit from these communities?arrow_forwardTo determine whether radiation associated with the atomic bombings of Hiroshima and Nagasaki produced recessive germ-line mutations, scientists examined the sex ratio of the children of the survivors of the blasts. Can you explain why an increase in germ-line mutations might be expected to alter the sex ratio?arrow_forwardThe term polymorphism can refer to both genes and traits. Explain what is meant by a polymorphic gene and a polymorphic trait. If a gene is polymorphic, does the trait that the gene affects also have to be polymorphic? Explain why or why not.arrow_forward
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