A) The earliest eukaryotes were almost always single-celled and haploid, and they produced by mitosis.
B) Mitosis evolved later, from meiosis.
C) By mitosis and cytoplasmic division, one cell becomes two new cells.
D) The outcomes of mitosis and meiosis differ.
E) The molecular machinery of mitosis became remodeled into meiosis.

A) a new spindle forms
B) crossing over occurs
C) chromosomes are single-stranded
D) the cell is diploid
E) the nuclear envelope re-forms

A) occurs during mitosis
B) involves centrioles
C) involves breakages and exchanges between sister chromatids
D) results in new combinations of alleles being channeled into the daughter cells
E) only occurs in animal cells.