Homework Answers
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6) A son with cystic fibrosis (autosomal recessive) is born to a couple who appear to...
4) Cystic fibrosis is a human disease caused by an autosomal recessive mutation. About 1 in...
4) Cystic fibrosis is a human disease caused by an autosomal recessive mutation. About 1 in 22 people in the human population are heterozygous carriers and have no symptoms of the disease. A woman who has a brother with CF marries a man who has no history of CF in his family a) What are the possible genotypes of the woman? b) What is the most likely genotype of the man? c) What is the percentage of offspring that would...
Sex Linked Traits 4. Assume you are a genetic counselor and a couple comes to you...
Sex Linked Traits 4. Assume you are a genetic counselor and a couple comes to you for counseling They want to know if there is any chance that their first baby might have muscular dystrophy. M.D. is a sex linked recessive trait. Neither of the parents has M.D. but the wife's father has M.D. Prove your answer by showing the genotypes and phenotypes of the parents, grandparents and possible offspring. Parents Fill in the boxes Genotype Phenotype Possible Genotypes or...
please explain and show punnett square solution A child is born to a couple, one of...
please explain and show punnett square solution
A child is born to a couple, one of whom is heterozygous for an autosomal dominant disease. The other parent is homozygous normal. What would be the child's chances of having the disease? (Hint: use a Punnett square to figure this out). 0% 25% C. 50% 75% A child is born to a couple, one of whom is heterozygous for an autosomal recessive disease The other parent is homozygous normal. What would be...
need help with 1 and 2 please. X-linked Recessive Traits Review X-linked traits in your textbook....
need help with 1 and 2 please.
X-linked Recessive Traits Review X-linked traits in your textbook. 1 In cars, the Ballele produces black fur & b produces orange fur. This gene is X-linked (X & X". Both colors are expressed in heterozygotes calico). If alcat has 2 calico kittens, 1 male black kitten, and I female orange kitten, what is the ty p henotype of the father cat? (Hint: Work backwards & use a Punnett square Remember that not every...
6. If you cross a woman with type A blood and a man with type B...
6. If you cross a woman with type A blood and a man with type B and both ha dominant and one recessive allele for blood type what are the possible genotypes of their offspring? Use the Punnett square below to help you determin etermine this. 7. Choroideremia is a disease that causes degeneration of the retina of the eye. The recessive allele that causes this condition is found on the X chromosome. Using the square below, cross a woman...
Parents who do not have cystic fibrosis (recessive) produce a child who has cystic fibrosis. What...
Parents who do not have cystic fibrosis (recessive) produce a child who has cystic fibrosis. What are the chances that each child born to this couple will have cystic fibrosis? 100% 75% 25% 0% All of the choices are correct. Could a man with blood type A father a child with blood type B? No, only males with type B or AB can have children with type B blood. Yes, if his genotype was AO and the mother had type...
Joan is phenotypically normal, but had a child with the autosomal recessive disease cystic fibrosis (CF)...
Joan is phenotypically normal, but had a child with the autosomal recessive disease cystic fibrosis (CF) from a previous marriage. Joan's father has hemophila A, a sex-linked recessive condition where the blood fails to clot properly. Her father has survived due to recent treatment advances. Joan now intends to marry Bill, who is also phenotypically normal but who has a sister, Jill, with CF. Bill's parents are phenotypically normal, and there is no history of hemophilia A in his family....
a. Determine the most probable mode of inheritance: autosomal or sex-linked, dominant or recessive, of the...
a. Determine the most probable mode of inheritance: autosomal or sex-linked, dominant or recessive, of the disorders in the two pedigrees shown below and indicate the genotypes of as many individuals as possible. 0 0 | ●ㅇ 이 vod 0d b. If individual IV-1 from the first pedigree marries an affected woman, what is the probability that their first child is affected by the disorder? c. If individual IV-3 from the second pedigree marries a normal man, what is the...
a) A man whose sister was an albino (due to an autosomal recessive mutation) marries an...
a) A man whose sister was an albino (due to an autosomal recessive mutation) marries an albino girl. If the couple has a child, what is the probability that they will have normal pigmentation? (Assume that if the problem does not state that an individual is an albino that they have normal pigmentation) Hint: Make sure you take into account that the man is not an albino when you calculate your probability. b) If you find out that the second...
Follow-Up Questions 1. Your brother has an autosomal recessive disorder, while you are unaffected. Neither one...
Follow-Up Questions 1. Your brother has an autosomal recessive disorder, while you are unaffected. Neither one of your parents is affected. Explain how this is possible. 2. Using the above situation, what is the probability that you carry the recessive allele? 3. A couple wants to have a child, but the mother has a brother who is affected by cystic fibrosis. They seek out the advice of a genetic counselor at their local hospital to determine what, if any, chance...
Sex Linked Traits 4. Assume you are a genetic counselor and a couple comes to you for counseling They want to know if there is any chance that their first baby might have muscular dystrophy. M.D. is a sex linked recessive trait. Neither of the parents has M.D. but the wife's father has M.D. Prove your answer by showing the genotypes and phenotypes of the parents, grandparents and possible offspring. Parents Fill in the boxes Genotype Phenotype Possible Genotypes or...
please explain and show punnett square solution
A child is born to a couple, one of whom is heterozygous for an autosomal dominant disease. The other parent is homozygous normal. What would be the child's chances of having the disease? (Hint: use a Punnett square to figure this out). 0% 25% C. 50% 75% A child is born to a couple, one of whom is heterozygous for an autosomal recessive disease The other parent is homozygous normal. What would be...
need help with 1 and 2 please.
X-linked Recessive Traits Review X-linked traits in your textbook. 1 In cars, the Ballele produces black fur & b produces orange fur. This gene is X-linked (X & X". Both colors are expressed in heterozygotes calico). If alcat has 2 calico kittens, 1 male black kitten, and I female orange kitten, what is the ty p henotype of the father cat? (Hint: Work backwards & use a Punnett square Remember that not every...
6. If you cross a woman with type A blood and a man with type B and both ha dominant and one recessive allele for blood type what are the possible genotypes of their offspring? Use the Punnett square below to help you determin etermine this. 7. Choroideremia is a disease that causes degeneration of the retina of the eye. The recessive allele that causes this condition is found on the X chromosome. Using the square below, cross a woman...
a. Determine the most probable mode of inheritance: autosomal or sex-linked, dominant or recessive, of the disorders in the two pedigrees shown below and indicate the genotypes of as many individuals as possible. 0 0 | ●ㅇ 이 vod 0d b. If individual IV-1 from the first pedigree marries an affected woman, what is the probability that their first child is affected by the disorder? c. If individual IV-3 from the second pedigree marries a normal man, what is the...
Follow-Up Questions 1. Your brother has an autosomal recessive disorder, while you are unaffected. Neither one of your parents is affected. Explain how this is possible. 2. Using the above situation, what is the probability that you carry the recessive allele? 3. A couple wants to have a child, but the mother has a brother who is affected by cystic fibrosis. They seek out the advice of a genetic counselor at their local hospital to determine what, if any, chance...
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