Question

1. Free earlodes(E) in humans is dominant over attached earlobes(e). What would be the percent of free earlobes in the offspring when a man homozygous for free earlobes marries a woman who is heterozygous for free earlodes ?
2. Webbed finders and toes in humans is duebto a rare dominant gene (F). What percent of the offspring would you expect to have normal fimgers and toes when a man heterozygous for webbed fingers and toes marries a woman with normal hands and feets?
(Please solve them using the 5 point plan)

Answer 1

1) 100% free ear lobes.  EE x Ee 
2) 25% are to have normal hands and feet Ff X ff