Hemophilia is caused by an x-linked recessive allele. Make a cross between a hemophilic Father and a non-hemophilic Mother whose Father had hemophilia. 1. P1: 2: Punnett Square: Interpretations
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Hemophilia is caused by an x-linked recessive allele. Make a cross between a hemophilic Father and a non-hemophilic Mother whose Father had hemophilia.
2: Punnett Square:
Female:
3. GR:
4. G%
5. PR:
6. P%:
Male:
7. GR (Genotype Ratio):
8. G%
9. PR (
10. P%:
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- 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…1. Hemophilia is due to a sex-linked gene. It is recessive and found on the X chromosome. A woman who is a carrier for hemophilia marries a normal man. What will be the possible phenotypes of their children? Use a punnet square. 2. A phenotypically normal man, who has a hemophiliac brother, marries a normal woman, who is not a carrier. What is the probability that any of their children will be hemophiliac? Use a punnet square. 3. Color-blindness is an X-linked, recessive trait. If a normal-sighted woman, whose father was color-blind, marries a colorblind man, what is the probability that they will have a son who is color-blind? Use a punnet square. 4. A man and woman, both of normal vision, have: 1) a color-blind son (#1) who has a daughter of normal vision 2) a daughter (#1) of normal vision who has one color-blind son and one normal vision son 3) another daughter (#2) of normal vision who has five sons, all with normal vision What are the probable genotypes of the…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…
- 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.1. Study the given alleles. Write the correct phenotype for each genotype. X – normal Gen otype xC - Color-blind Phenotype XX XY XXC xCY 2. Study the given alleles. Write the correct genotype for each phenotype. xH - Hemophiliac Phenotype X- normal Gen otype Hemophiliac female Hemophiliac male Normal female carrier of the gene Normal male Normal female 28 3. Determine the genotype and phenotype of the offspring. A color-blind mother (XCx) married a normal sighted (XY) father. Genotype: Phenotype: Genotype: Phenotype: Genotype: Genotype: Phenotype: Phenotype: a. There are b. There are c. There are d. There are % normal sons. % normal daughters. % color-blind sons. % color-blind daughters. % normal female, carrier of the disorder. or or or or e. There are orIn 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). X H X H = female, non-hemophilic X H X h = female, carrier X h X h = female, hemophilia X H Y = male, non-hemophilic X h Y= male, hemophiliac a.) Show the cross of a man who has hemophilia with a woman who is a carrier. What is the probability that their children will have the disease? b.) A woman who is a carrier marries a non-hemophilic 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? c.) A woman who has hemophilia marries a non-hemophilic man. How many of their children will have hemophilia, and what is their sex?
- 1. Study the given alleles. Write the correct phenotype for each genotype. X– normal Genotype XC – Color-blind Phenotype XX XY XCXC www m XX www w ww w 2. Study the given alleles. Write the correct genotype for each phenotype. X- normal Genotype хн- Hemophiliaс Phenotype Hemophiliac female Hemophiliac male Normal female carrier of the gene Normal male Normal femaleA graduating nursing student wanted to know the different blood groups and how they can be inherited. She understood that multiple allele is the inheritance pattern for ABO blood type while complete dominance for Rh factor (Rh + is dominant over Rh -). Now she wanted to know what the probable blood types from the 3 systems on her future children are. Consider the nursing student has AB, Rh negative and her current husband has O, heterozygous Rh positive. 1. What is the probability of having a child with a blood type of type O? A. 25% B. 100% C. 75% D. 50% E. 0% 2. What is the probability of having a child with a blood type of type A Rh positive? A. 1/4 B. 3/8 C. 1/2 D. 3/4 E. 1/8 3. What is the probability of having a child with a blood type of type B Rh negative? A. 3/4 B. 1/8 C. 1/4 D. 1/2 E. 3/8 4. heterozygous Rh positive. What are the possible blood types of her children? A. A Rh+, A Rh-, B Rh+, B Rh-, O Rh+, O Rh- B. A Rh+, B…A couple consulted a genetic counselor and they found out the following: 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. Clues for the table: • Blood Type: The probability that they’ll have an offspring with blood type the same as Popoy is 25% only • Eye Color: The probability that they’ll have an offspring with brown eye color is 75%. • Skin condition: The probability that their offspring will be an albino is 25% 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. 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…
- An individual genotypes as hh. Their red cell phenotype is: a. Bombay O b. Burlington O. Boston O d. Berlin3. 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 BO3. 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?