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Make a pedigree chart 1. How many generations are there? 2. How many males are there? 3. How many females are there?

Make a pedigree chart 1. How many generations are there? 2. How many males are there? 3. How many females are there?

Human Heredity: Principles and Issues (MindTap Course List)
Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN:9781305251052
Author:Michael Cummings
Publisher:Michael Cummings
Chapter17: Genes And The Immune System
Section: Chapter Questions
Problem 17QP
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Make a pedigree chart and analysis based on the situation

 

Character: Blood Type • Blood type is determined by the presence of several different proteins found on the surface of red blood cells. Blood type A has the A antigens on the surface of red blood cells. Blood type B has the B antigens on the surface of red blood cells. Blood type AB has both A and B antigens. Blood type O has neither. Situation: Guinevere decides to trace the inheritance of her blood type through her family, all the way back to her great-grandmother Natalia. Guinevere's great-grandmother Natalia, has type A blood. Natalia and her husband Claude have five children-three sons, Miguel (who has blood type A), Mark (who has blood type B) and David (who has type AB blood); a daughter (Jane) with type O blood and another daughter (Janella) with type A blood. Jane marries a man and they have two sons (Marco and Polo) who both are blood type A and a daughter (Mara) who has blood type B; Janella on the other hand marries a man and together have three sons (one with blood type A, one with AB, and one with O). Miguel marries a woman with type O blood and together they have three children (daughter Frances and son Albert who both have type A blood, and a son Mike with type O blood). Mike marries Johann and together they have one daughter, Guinevere. Guinevere knows that her parents both have the same blood type, but she has never yet had a blood test to determine her own blood type.
Transcribed Image Text:Character: Blood Type • Blood type is determined by the presence of several different proteins found on the surface of red blood cells. Blood type A has the A antigens on the surface of red blood cells. Blood type B has the B antigens on the surface of red blood cells. Blood type AB has both A and B antigens. Blood type O has neither. Situation: Guinevere decides to trace the inheritance of her blood type through her family, all the way back to her great-grandmother Natalia. Guinevere's great-grandmother Natalia, has type A blood. Natalia and her husband Claude have five children-three sons, Miguel (who has blood type A), Mark (who has blood type B) and David (who has type AB blood); a daughter (Jane) with type O blood and another daughter (Janella) with type A blood. Jane marries a man and they have two sons (Marco and Polo) who both are blood type A and a daughter (Mara) who has blood type B; Janella on the other hand marries a man and together have three sons (one with blood type A, one with AB, and one with O). Miguel marries a woman with type O blood and together they have three children (daughter Frances and son Albert who both have type A blood, and a son Mike with type O blood). Mike marries Johann and together they have one daughter, Guinevere. Guinevere knows that her parents both have the same blood type, but she has never yet had a blood test to determine her own blood type.
Pedigree Chart Analysis Note: Answers in items 6-8 must be expressed in fraction form. Make a pedigree chart 1. How many generations are there? 2. How many males are there? 3. How many females are there? 4. How many individuals have the trait? 5. How many females have the trait? 6. What is the chance of having that trait if II-5 marries a man who is heterozygous for blood type A? 7. What is the chance of having that trait if II-2, marries a woman who has the same blood type as his? 8. Make a Punnett square that shows the cross of the individuals 1 and 2 from Generation I. Identify the genotypic and phenotypic ratios. Use the squares below. Blue-father; Purple-mother
Transcribed Image Text:Pedigree Chart Analysis Note: Answers in items 6-8 must be expressed in fraction form. Make a pedigree chart 1. How many generations are there? 2. How many males are there? 3. How many females are there? 4. How many individuals have the trait? 5. How many females have the trait? 6. What is the chance of having that trait if II-5 marries a man who is heterozygous for blood type A? 7. What is the chance of having that trait if II-2, marries a woman who has the same blood type as his? 8. Make a Punnett square that shows the cross of the individuals 1 and 2 from Generation I. Identify the genotypic and phenotypic ratios. Use the squares below. Blue-father; Purple-mother
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