This preview shows pages 1–2. Sign up to view the full content.
This preview has intentionally blurred sections. Sign up to view the full version.View Full Document
Unformatted text preview: will have free earlobes? A woman has widows peak hairline, but she does not know her genotype. She marries a man who has a straight hairline and they have 13 children. Nine have widows peaks and four have straight hairlines. What are the genotypes of the parents? What are the genotypes of the children? In radish plants, the shape of the radish may be long (LL), round (ll), or oval (Ll). If oval is crossed with oval, what proportion of the offspring will also be oval? Bryce is a carrier of sickle-cell anemia (he does not have the disease, but carries one copy of the defective allele). If he marries a woman who is not a carrier, could any of their children have the disease? What if he marries a woman who is a carrier? Sandra discovers that her mother has Huntingtons disease. What are the chances that she has it also? Sandras brother Jack gets a genetic screening test that determines he does not have the Huntingtons gene. Does this change Sandras odds?...
View Full Document