1) Joe's grandfather (on his mothers side) was a lizard man on a circus sideshow (the result of rare X-linked recessive allele that gave him a tail). Joe meets and marries Julie, whose uncle on her mothers side had a tail removed at the age of 2. Julie is now pregnant with their first child
1) Assign genotypes.
2) What is the probability that their first child will have a tail?
3) If the first child does have a tail, what is the probability that a second child will have a tail?