In humans, alkaptonuria is a metabolic disorder in which affected persons produce black urine. Alkaptonouria results from an allele (a) that is recessive to the allele for normal metabolism (A). Alana has a normal metabolism, but her brother has alkaptonouria. Alana’s father has alkaptonuria. Give the genotypes of Alana _______, her mother________, her father_______, and her brother______. If Alana’s parents have another child, what is the probability that the child will have alkaptonuria?_____ If Alana marries a man with alkatonuria, what is the probability that their first child will have black urine? _______

Medical Terminology for Health Professions, Spiral bound Version (MindTap Course List)
8th Edition
ISBN:9781305634350
Author:Ann Ehrlich, Carol L. Schroeder, Laura Ehrlich, Katrina A. Schroeder
Publisher:Ann Ehrlich, Carol L. Schroeder, Laura Ehrlich, Katrina A. Schroeder
Chapter2: The Human Body In Health And Disease
Section: Chapter Questions
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In humans, alkaptonuria is a metabolic disorder in which affected persons produce black urine. Alkaptonouria results from an allele (a) that is recessive to the allele for normal metabolism (A). Alana has a normal metabolism, but her brother has alkaptonouria. Alana’s father has alkaptonuria.

  1. Give the genotypes of Alana _______, her mother________, her father_______, and her brother______.
  2. If Alana’s parents have another child, what is the probability that the child will have alkaptonuria?_____
  3. If Alana marries a man with alkatonuria, what is the probability that their first child will have black urine? _______
  4. What is the probability that 3 of their children will have black urine?__________
  5. If Alana marries a man that does not have alkatonuria, but has a mother that does, then what is the probability that their first child will have black urine? _______ 3 children in a row? ___________
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