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19 Mar 2019
1) PKU is an inherited disorder that is caused by two recessive alleles. A couple who plan to have children are concerned because the wife is known to be heterozygous for the gene. The husband is homozygous dominant. What percent of their children are likely to have the PKU problem and need to be placed on a special diet? Show a Punnett square to defend your answer.
2) Huntington's Chorea is a lethal genetic disease of the nervous system caused by a single dominant allele. After a couple has a child, they disÂcover that the husband has Huntington's Chorea. There is no history of the disease in the wife's family. What chance is there that their child will be afflicted? Show a Punnett square to defend your answer.
1) PKU is an inherited disorder that is caused by two recessive alleles. A couple who plan to have children are concerned because the wife is known to be heterozygous for the gene. The husband is homozygous dominant. What percent of their children are likely to have the PKU problem and need to be placed on a special diet? Show a Punnett square to defend your answer.
2) Huntington's Chorea is a lethal genetic disease of the nervous system caused by a single dominant allele. After a couple has a child, they disÂcover that the husband has Huntington's Chorea. There is no history of the disease in the wife's family. What chance is there that their child will be afflicted? Show a Punnett square to defend your answer.
Tod ThielLv2
21 Mar 2019
