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 2EG
Why do unrelated children with a disorder such as Down syndrome resemble each other more closely than they do their siblings?
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Why do unrelated children with a disorder such as Down syndrome resemble each other more closely than they do their siblings?
Are all forms of Down syndrome due to non-disjunction?YES or NO?
What is Down syndrome ? When does Down syndrome occur ?
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
- Which of the following genetic diseases is/are inherited as an autosomal recessive trait: phenylketonuria, Huntingtons disease, Tay-Sachs disease?arrow_forwardWhat is a carrier of a genetic trait?arrow_forwardDoes the phenotype indicated by the red circles and squares in this pedigree show an inheritance pattern that is autosomal dominant, autosomal recessive, or X-linked?arrow_forward
- If diseases such as cardiovascular disease (hypertension and atherosclerosis) are familial, is this an indication that there is a genetic contribution to these traits? What would you do to confirm that genetics is involved in this condition?arrow_forwardWhat is the difference between primary Down syndrome and familial Down syndrome? How does each type arise?arrow_forwardWhat is a down syndrome?arrow_forward
- What are the inheritable patterns of a dominant and recessive lethal allele? Is Huntington Disease caused by a dominant lethal gene or recessive lethal gene?arrow_forwardJohnny has unattached earlobes (a dominant trait) like his father, but his mother has attached earlobes. What is johnny’s genotype?arrow_forwardWhat are the odds of the person with sickle cell anemia disorder passing it on to their children if the other person is homozygous dominant, heterozygous, or homozygous recessive for the trait?arrow_forward
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