This preview shows page 1. Sign up to view the full content.
Unformatted text preview: Why do sex-linked disorders affect more males than females? Draw a Punnett square of the transmission of an x-linked trait, first describing the parents and using X and Y as the main genotype letters and A, a as the presence/absence of the trait. What are two sex-linked genetic disorders that we discussed in class? Describe x inactivation. Down syndrome is due to what genetic defect? What can happen if a person receives more than just one x and one y?...
View Full Document
- Fall '08