A man with blood type B had a father whose blood lype was 0. This man marries a woman whose blood type is A. a) The man's wife has a child with blood type A. Can he be the biological father? b) Further study shows that the baby's genotype is I^i^, can he be the biological father? Support your answers with Punnett squares.

Protein and polypeptide sequences can be determined by first partially hydrolyzing the protein or polypeptide followed by amino acid sequencing of the fragment pieces using the chemical degradation process known as edman degradation. determine the sequence of the initial (18-amino acid) polypeptide that produces the following five partial sequences after hydrolysis and edman degradation.