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- Explain the common causes of developmental disorders andtheir relationship to fetal development.State the probability of a male child being affected and ofa female child being affected if the mother carries a genefor a sex-linked recessive disorder. What if it is the fatherwho carries the gene?What is polygenic inheritance? Discuss the issues that make polygenicinheritance difficult to study.
- Can a child typically develop Huntington's Disease even if neither of the parents have the mutated gene and What type of gene mutation causes Huntington's Disease and how often does the mutation occur and What do you know about the cause of the gene mutation?If both parents have an autosomal dominant trait, what can you say about their children? ExplainSuppose 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.
