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4.1 Human Inheritance 1. What are multiple alleles? 2. What controls variations in skin color among humans? 3. What factors can affect a person's height? 4. What combination of sex chromosomes results in a male human being? A female? 5. What are sex-linked genes? 4.2 Human Genetic Disorders 1. What causes genetic disorders in humans? 2. List the five genetic disorders in your textbook and explain the primary symptoms of each. 3. What procedure helps doctors diagnose a genetic disorder before a baby is born? 4. How can genetic counselors predict genetic disorders? |