óa. In a pedigree, a square represents a male. If it is darkened he has hemophilia; if clear, he had normal blood clotting. (2)a. How many males are there? b. How many males have hemophilia? II III IV
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- D. Sex-linked 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). 1. Show the cross of a man who has hemophilia with a normal woman. What is the probability that their children will have the disease? H H = female, normal H h X X = female, carrier h xxn XHY X" Y 2. A woman who is a carrier marries a hemophiliac 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? 3. A woman who has hemophilia marries a normal man. How many of their children will have hemophilia, and what is their sex? = female, hemophiliac = male, normal = male, hemophiliacA father without hemophilia (X HY) has two daughters and two sons. Neither daughter has hemophilia. One son has hemophilia and the other does not. What is the genotype of the mother? O A XHXH O B. XHxh O c xhy O D. XHY acer3. Marco has type A blood (1^1^). His wife, Anna, has type B blood (1Bi). Is it possible for Marco and Anna to have child that has type B blood? Explain your answer. Be able to show a Punnett Square to support your answer.
- Basha: A blood type, blue eye color, normal skin condition, carrier of cystic fibrosis gene, and carrier of hemophilia gene Popoy: B blood type, has brown eye color, normal skin condition, carrier of cystic fibrosis gene and negative to hemophilia. C. 2 boys with normal skin color and carrier of cystic fibrosis gene; 1 girl with normal skin color and negative to cystic fibrosis. D. 2 girls carrier of both cystic fibrosis gene and hemophilia, a boy † positive to both cystic fibrosis and hemophilia, a boy negative to both cystic fibrosis and hemophilia E. A boy with AB blood type, has brown eye color, normal skin color, negative to both cystic fibrosis and hemophilia; 3 girls with O blood type, has blue eye color, normal skin color, carrier to both cystic fibrosis and hemophilia; A boy with A blood type, has brown eye color, normal skin color, positive to cystic fibrosis, negative to hemophilia.3. A man with Type AB blood is married to a woman with Type O blood. They have 2 natural children and one adopted child. Their blood types are shown below: Jane A Bobby - B Gracie - 0 Which child is adopted? Complete the Punnett Square below and answer the questions that follow. AO AO B. BO BO1. A woman who is heterozygous for hemophilia marries a man with hemophilia. What are the genotypes and phenotypes of the children? a) What is the genotypic ratio of the above cross (Write number next to genotype)? ___________________________________________________________________ b) What is the phenotypic ratio of the above cross? (Write number next to phenotype)? ___________________________________________________________________
- IX. The blood of several members of a particular family was determined, and the results are tabulated below. Individual Blood Type Genotype Father Mother B Child 1 AB Child 2 B. Child 3 Grandfather (mother's side) Grandmother (father's side) AB Assuming that no adultery or adoption took place for all generations, answer the following questions: a. Give the most probable genotype for each individual. Supply your answers on the table above. b. What is/are the most probable genotype(s) for the grandmother on the mother's side? c. If the father and the mother decide to have two more children, what is the probability that the first would be female type A and the second male type AB?14. After eight years of married life, during which time she had frequent intercourse with her husband but had failed to become pregnant, Mrs. X met and fell in love with Mr. Y. During the ensuing five years, three children were born. In the meantime, the persons involved had tried to come to an understanding and wished to determine which of the two men was the father of each child. The blood of those involved was examined with the following results: Blood of Husband Lover Wife First Child Second Child Third Child ABO Group OO AO OO 00 00 AO Rh Type +/- -1- +/- +/- +/+ -1- Determine if possible who is the father of each child.15) A man with blood type A marries a woman with blood type B. Their child has blood type O. What are the genotypes of the parents? __________________________________________________________________
- An A+ male impregnates a woman who is unsure of her blood type. Which blood type would the mother have to be for the baby to be at risk of a hemolytic disease?identify if it is True or False 1. ABO Blood Group show codominance. 2. Alleles are different forms of genes. 3. Sex-linked inheritance means that only the X-chromosomes are affected. 4. The carriers of hereditary materials are the genes. 5. Hemophilia is a sex-linked trait.Basha: A blood type, blue eye color, normal skin condition, carrier of cystic fibrosis gene, and carrier of hemophilia gene Popoy: B blood type, has brown eye color, normal skin condition, carrier of cystic fibrosis gene and negative to hemophilia. What is the probability that the offspring will have/ be: A. a girl with all the same phenotype as her mother. B. 2 girls with neither the blood type of the parents.