Two normal parents have three children, one a normal girl, one a normal boy and the other boy with hemophilia. If the affected son marries a girl whose father as well had hemophilia, what are the overall chances of having a hemophiliac child?
A male from India carries an odd trait for hairy ears which is based on the Y chromosome. Supposing he mates with a woman whose father carries that trait, what percentage of daughters will encompass or carry the trait? What percentage of sons will encompass or carry the trait?
A group of traits is being studied for their results on behavior by researchers. There are 10 total traits being studied. If this combination is as shown below (supposing no linkage), how many different gamete combinations are possible? What are they?
AA Bb CC DD EE Ef GG HH Ii JJ