Part A-Meiosis concept map Drag the terms to complete the concept map below. Reset Help Sexual life cycle haploid gametes zygote develops into (by mitosis) forming diploid fertilization sister chromatids separate have involves meiosis which join in to form diploid organisms homologous pairs of chromosomes Includes including crossing over occurs meiosis I paternal chromosomes in which Independent assortment occurs in which maternal chromo- somes 4 haploid cells are produced meiosis 11 results in genetic variation