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- 5. A woman with type AB blood marries a man with type homozygous type B blood. What are the phenotype and genotype ratios of the offspring? 6. Hemophilia is a sex linked recessive trait. If a carrier woman marries a normal man. The couple gives birth to a boy. What are the chances that this child will have hemophilia? Make sure use XX or XY here) 7. The height of a certain plant is a result of polygenic inheritance involving two pairs of genes. Draw a Punnett square to show the result of a cross between a tall (AABB) plant and a short (aabbi. What is the phenotype ratio? 8. What is a mutation? 9. What is sickle cell anemia? 10. What is hemophilia? 11. What is a pedigree? 12. Draw a pedigree to represent the following. Shaded symbols should represent individuals with hemophilia: A man with hemophilia marries a normal woman. They have 3 children, two normal boys and a girl who is a carrier. The girl marries a normal man and they have two boys and two girls. One of the girls is a carrier…8. Which of the following is true given a mating between a woman who is a carrier for color blindness and a non color blind male. Remember this is a x linked recessive trait. 1. This couple could have a color blind son. 2. All their children would be color blind 3. This couple could have a color blind daughter 4. None of their children would be color blind3. What are the genotypes possible for a person who has: A blood? B blood? O blood? AB blood? 4. A man with type AB blood is married to a woman also with type AB blood. Show the cross. What proportion of their children will have: A blood? B blood? O blood? AB blood? 5. A man has type B blood (genotype I³I®) is married to a woman with type O (ii) blood. Show the cross. What proportion of their children will have: 1. A blood? 2. B blood? 3. O blood? 4. AB blood? 6. A woman with type A blood (genotype I^i) is married to a type B person (genotype Iºi). Show the cross. What proportion of their children will have: A blood? B blood? О blood? AB blood?
- 1. Is there a possibility that Joe's father has a genotype HH ? 2. The question does not mention that Joe's mother is hh.5. An egg parent with type A blood is claiming that a person with type AB blood is the sperm parent of the child who is type B. Could this person be a sperm parent of the child? Show the possible crosses Assuming that this person is sperm parent of the child, what must be the genotype of the egg parent? 10 15 O stv w PDF MacBook 80 F3 DII F4 F5 F7 F9 F10 $ % & 4 5 7 8. E Y P F H J K V V B ト5. An egg parent with type A blood is claiming that a person with type AB blood is the sperm parent of the child who is type B. Could this person be a sperm parent of the child? Show the possible crosses | Assuming that this person is sperm parent of the child, what must be the genotype of the egg parent?
- 3. In humans, hemophilia is a sex linked trait. Females can be normal, carriers, or have the disease. Males will either have the disease or not (but they won't ever be carriers). Show the cross of a man who has hemophilia with a woman who is a carrier. XH XH = female, normal XH Xh= female, carrier xh Xh= female, hemophiliac XH Y = male, normal Xh Y= male, hemophiliac 4. What is the probability that their children will have the disease? 5. A woman who is a carrier "marries" a normal man. Show the cross. What is the probability that their children will have hemophilia? What sex will a child in the family with hemophilia be? 6. In a certain cactus, prickly spines can be two pronged or one pronged. If a true breeding one- pronged cactus is crossed with a true breeding two-pronged cactus, the F1 generation has a mixture of spines, some are two-pronged, some are one-pronged. a. Is this an example of codominance or incomplete dominance? b. Show the F2 generation (a cross between the two…8. In complete dominance, what is true about a dominant phenotype? It is seen only in the absence of the recessive allele in the genotype It is seen only when there are two recessive alleles in the genotype O It is seen no matter what the genotype is It is seen as long as there is one dominance allele in the genotype4. Mr. Salazar has Type A blood while Mrs. Salazar has Type B. They have four children. Bobbie has Type A, Gabbie has Type B, Alex has Type AB, and Teddie has Type O. What are the genotypes of all six people in this family? NOTE: The ABO blood type gene has three alleles. IA and IB are codominant; i (for Type O) is recessive to both.
- 7. In a disputed parentage case, the child is blood type O, while the mother is blood type A. What blood type would exclude a male from being the father? Would the other blood types prove that a particular male was the father?5. Little Mary is blood type A. Her mother is blood type B. There is a question about whom Little Mary's father is. Joe is blood type O and Al is blood type AB. Who is most likely Little Mary's dad? Show two Punnett squares to PROVE your answer. Help Center | Schoology Blog | PRIVACY PI just need help determining the difference in Codominant and Incomplete Dominant (see attached). Thank you!
