Hemoglobin titusville (described by schneider et al. in 1975) is a hemoglobin variant in which a asn residue is substituted for asp at residue 94 of the α chain.

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?