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- For the below mating, what proportion of offspring will be blood type 0? H/h; A/i* h/h; A/i A) 1/4 B) 3/8 C) 5/8 D) 3/16 E) 9/16A woman with type A blood has a child with type A blood. Which type of the following men could not be the father of the child? A) IA I B) IA IB C) IB IB D) IB i5) Fernando has type O blood and Darla has type A. Darla's brother has type O, while both of her parents have type A blood. If Fernando and Darla have two children, what is the probability that NEITHER has type A blood? A) 0 B) 1/8 C) 1/9 D) 1/3
- A heterozygous woman with Type-A blood, and a man with Type-O blood, have a child. What are the odds that the child will have type O-blood? A) 25% B) 75% C)100% D) 50%A man with type AB blood has a child with a woman who has type O blood. Which of the following correctly represents the probability of the child’s blood type(s)? a) 25% type A, 50% type AB, 25% type B b) 100% type O c) 50% type AB, 50% type O d) 50% type A, 50% type B e)100% type Ob) Figure 2 shows a family tree in which the blood group of certain individuals have been identified. 6. Figure 2 i) Identify the blood group of individual 2 and state your reason. ii) If Individual 6 marries a woman with the same blood group, state the phenotype of their children. iii) If Individual 6 has the same genotype with his grandfather, give the genotype of individual 5.
- Frank and Barbara have type B blood. Their first child has type O blood. They have 3 more children. What is the chance that the next three children have type B blood? O O O O a) 100% b) O c) 27/64 d) 9/16 e) 3/4A man with blood type A (whose mother was blood type O) has children with a woman that has blood type AB. The man and the woman are also heterozygous for the H antigen. What is the probability that they will have a child with blood type A? A) 0 B) 1/8 C) 3/8 D) 1/2 E) 3/4Woman who has blood type B positive has a daughter who is type O positive and a son who is type A negative. Rh positive is a trait that shows simple dominance over Rh negative. Which of the following is a possible phenotype for the father? a) O negative b) A negative c) AB negative d) B positive
- 3) Isabella has blood type O her son also has blood type O. She claims that her friend, Ivan, is the child's father. a) Ivan's blood type is A. Can he be excluded as the father on this evidence alone? b) Does the fact that Ivan's mother has type A blood and his father has type AB blood exclude him from being the parent? c) Does the additional information that Ivan's mother's parents are both AB permit him to be excluded?Lady is blood type A. Guy is blood type B. They have 20 kids. Eleven are type AB and nine are type B. a) What is the genotype of the lady? b) What is the genotype of the man?What would the offspring's blood type be if the mother is type O+ (she is homozygous for Rh factor) and the father is A- (he is homozygous for type A)? Hint: You have to do two Punnett squares. The two Punnett squares must be shown to get the full points. After doing the Punnett squares, write down the possibilities of the offspring’s blood type.