Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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a. A man who does not have Huntington’s Disease has children with a woman with Huntington’s Disease whose mother did not have Huntington’s Disease. What proportion of their children would be expected to have Huntington’s Disease
b.A man who does have Huntington’s Disease and a woman who does not have Huntington’s Disease have a child who does not have Huntington’s Disease. What is the man’s genotype
c.A man who does have Huntington’s Disease and a woman who does not have Huntington’s Disease have eight children, all of whom have Huntington’s Disease. Can you be certain of the man’s genotype? Why or why not? What genotype is MOST likely and why
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- Can a person’s genotype be determined by their phenotype? Why or why not?arrow_forwardA person is heterozygous for ear shape. Ear lobes are dominant to no ear lobes. Which would be a correct way to write their genotype? Group of answer choices A. ee B. ear lobes C. no ear lobes D. Tt E. EEarrow_forwardThe father of three sons and two daughters begins to show symptoms of Huntington disease. What is the probability that Sam, the man’s second oldest son (II-2), will suffer from the disease if he lives a normal life span? Sam’s mother and her ancestors do not have the disease. Sam's father was adopted, so we do not know his biological family history for Huntington disease. Explore all possible outcomes for Sam and explain your reasoning. What about the risk to Sam's sisters? Would that be the same or not?arrow_forward
- Define phenotypearrow_forward. If the parents are both homozygous for the characteristics, what are their genotypes?arrow_forwardThick mucous gland secretions, elevated sweat electrolytes, meconium ileus, and difficulty maintaining and gaining weight are associated with which autosomal recessive disorder? Cerebral palsy. Cystic fibrosis Muscular dystrophy. Multiple sclerosisarrow_forward
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