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How do you get 66.66% and 33.33%?
IV-4 Genotype: Aa
Male Genotype: aa
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- Suppose a man who does not have Duchenne muscular dystrophy had a child with a woman who is a carrier of the disease. If the child is a female, what is the probability that she has the disease? a. 0% b. 25% c. 50% d. 75% e. 100%Suppose you are a carrier of fragile X syndrome and want to have children. Would you choose pregnancy, adoption, or surrogacy? If you became pregnant, would you opt for prenatal diagnosis? Explain your decisions.Q1: Which of the children in this Punnett square represents Zoe? What is her genotype? Q2: If Zoe’s parents had another child, what is the probability that the child would have cystic fibrosis? That the child would be a CF carrier? Q3: If Zoe is able to have a child of her own someday, and the other parent is not a carrier of cystic fibrosis (he would likely be tested before they chose to have children), what is the probability that the child would have cystic fibrosis? That the child would be a carrier?
- A man is brought to court in a paternity case. He has blood type AB, Rh positive. The mother has blood type B, Rh negative. The child’s blood type is O, Rh negative. What can you say about the man’s chances of being the father?The American Academy of Pediatrics recommends that screen time for children between 2 and 5 years of age should be limited to ________ hours per day.a. A man who does not have Huntington’s Disease has children with a woman with Huntington’s Disease whose mother did not have Huntington’s Disease. What proportion of their children would be expected to have Huntington’s Disease b.A man who does have Huntington’s Disease and a woman who does not have Huntington’s Disease have a child who does not have Huntington’s Disease. What is the man’s genotype c.A man who does have Huntington’s Disease and a woman who does not have Huntington’s Disease have eight children, all of whom have Huntington’s Disease. Can you be certain of the man’s genotype? Why or why not? What genotype is MOST likely and why
- Two carriers of the sickle cell disease gene reproduce. What are the possible outcomes for their children? All children will be carriers. The children may be carriers or suffer from the disease. All children will suffer from sickle cell disease. The children may be carriers, may suffer from the disease, or may not be carriers.Explain Sudden Infant Death Syndrome & its risk factors?1. A woman will give birth to a twin without knowing the gender. What is the probability of having those children both female? A. 1/4 B. 1/2 C. 1/16 D. 1/8 2. A woman will give birth to a triplets without knowing the gender. What is the probability of having all male children? A. 1/8 B. 1/4 C. 1/2 D. 1/16
- A woman has a daughter. There are three men whom she claims might have been the father of the child. Her blood type is A,her child's is B. She has three candidates for fatherhood. Their blood types are Man#1, B,Man#2, AB, Man#3, O. Based on blood types the mother claims that this proves that Man#1 must be the little girl's father. Is the mother correct? Why or why not?describe Fragile X syndrome in three paragraphsSuppose a couple brought to you their 8-year old boy with progressive muscle weakness, and difficulty in motor skills resulting to awkward manner of walking and running . The boy’s 15-year old sister and11-year old brother appear to be unaffected. They have a normal father and a normal pregnant mother. The mother had a brother who died at 26 yrs. of age with similar findings that seemed to worsen with age. The mother also has a sister with the same findings but it only manifested during her 28 th year. Her sister, who married an unaffected man, has two affected sons and a normal daughter.You suspect a diagnosis of Duchenne Muscular Dystrophy (DMD). a. Draw the pedigree of this family. Follow protocols in making a pedigree. Provide the genotype of all individuals in the pedigree. Please provide also the gene notation. b. What is most likely the pattern of inheritance for this condition? c. Justify your answer in letter (b).d. What is the risk (probability) that the fetus is affected?…