Being right-handed is an autosomal dominant trait over being

Last updated: 7/30/2022

Being right-handed is an autosomal dominant trait over being left-handed. Hitchhiker thumb is dominant over straight thumb trait. Mary is right-handed and has a hitchhiker thumb. Mary's mother is left-handed and has a hitchhiker thumb. Mary's father is right-handed and has a straight thumb. What is Mary's genotype? rrHh RrHh Rrhh RRHH none of these RRHH