Of what is this an example? a child with a widow's peak has a mother who is homozygous dominant for a widow's peak and a father who is homozygous dominant for a widow's peak.

a, heterozygous

b, homozygous dominant

c, homozygous recessive

d, heterozygous recessive

Some steps in cell division are shown below: 1. chromosomes condense and pair up 2. segments of dna of sister chromatids twist and cross 3. exchange of dna occurs between chromosomes 4. four daughter cells are created that are haploid which of the following steps is least likely to occur during meiosis 1?