Meiosis and Sexual Reproduction Crossword

when the DNA replicated once but the cell divides twice
single set of chromosomes, ex: sperm cell
two sets of chromosomes, ex: body cells
possible form of a gene
cell formed by the union of male and female sex cell
chromosomes replicate and homologous chromosome cross over to exchange genetic material and the homologs separate
chromosomes replicate into two identical sister chromatids attached to centromere
most important stage in meiosis
chromosomes line themselves in the middle of the cell
individual pairs of sister chromatids separates but still attached to each other
sister chromatids move to opposite sides
two daughter cells divide again without DNA replication
sometimes skipped but no DNA replication occurs
nucleolus and nucleus disappear and spindle fibers appear
sister chromatids align on metaphase plate
sister chromosomes finally separate
nuclei begins to form around chromosomes
happens during prophase 1 and homologous chromosomes overlap
happens in metaphase 1 and chromosomes separate independently
cells used during sexual reproduction, ex: sperm or egg
pair of chromosomes that are similar but not identical
female sex cell
male sex cell
occurs in mating