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Sex-Linked Traits, Pedigrees, and Human Genetics — Homework
Review hemizygous inheritance and pedigree symbols before answering.
- 1.In humans, which sex chromosome combination produces a male?
- 2.Explain why X-linked recessive conditions are far more common in males than females, using the word "hemizygous."
- 3.Two unaffected parents have a son affected by a recessive condition. Could this condition still be X-linked recessive? Explain.
- 4.What does a karyotype show, and name one condition it can help detect.
- 5.Explain in three or four sentences why pedigree analysis often works by ruling inheritance patterns out rather than proving one pattern in directly.
🌲 Homeschool of the FutureNinth Grade · Science · week 20 homework