Jim and Pam would like to have a baby, but they know that albinism (an autosomal recessive disease) runs in both of their families. They do a genetic test, and learn that they are both carriers of the disease allele. What is the chance that their baby will have albinism? hint: use a punnet square O 1/2 O 1/16 2/3 O 1/8 O 1/4
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- You met with two parents whose first child has sickle cell anemia. (The parents show no signs of the disease themselves). The mother comes to you in the third month of her second pregnancy, and wants to know if this child will also inherit the disease. As a genetics counselor, you are ready to evaluate this couple’s case by doing the following:1. Determine what the genotype of each parent is. Is this disease autosomal or sex-linked? Dominant or recessive?Jim and Pam would like to have a baby, but they know that albinism (an autosomal recessive disease) runs in both of their families. They do a genetic test, and learn that they are both carriers of the disease allele. What is the chance that their baby will have albinism? hint: use a punnet square O 2/3 O 1/8 O 1/4 O 1/16 O 1/2Cystic fibrosis (CF) is an autosomal recessive trait (a). Assume that Emily (who has CF) decides to have children with a man who does not have CF and who is not a carrier of CF. What are their genotypes, and what is the probability that they will have a child who is a carrier for CF?
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- What are the chances that Ann and Michael next child will have the disease. Assume people marrying into the family are homozygous normal.Hemophilia is a sex-linked recessive trait. A male hemophiliac and phenotypically normal female have a son with hemophilia. They would like to have one more child. What is the probability of having a child without hemophilia? Explain using a Punnett square. Is it possible for a girl to be born with hemophilia? Explain.Greg is color blind and marries Susan, who is a carrier for color blindness. Color blindness is an X-linked, genetic trait. Draw the Punnett square for their children. Label each individual in the chart with their actual or predicted genotype. Fill input: Fill input: Fill input: Fill input: Fill input: Fill input: Fill input: Fill input: XX X Xy y xy X Xx Is there any chance they could have a son who is not color blind? If so, what is the probability of Greg and Susan having a son with normal vision? What is the probability of Greg and Susan having a color-blind daughter?