Jack And Betty are married, and they have two sons and one daughter. Jack's mother is deceased, but his father is still living. Betty's parents are both still alive. Jack's mother showed trait A, but his father does not. Jack and one of his sons show trait A, but the other son and daughter are free of the trait. No one on Betty's side of the family shows the trait. The trait is inherited as a recessive. Determine the genotype of each member of the extended family.