Matching Pairs Meiosis Vocabulary Online version Test your meiosis vocabulary by Leah DeMercurio 1 Gene or Allele 2 Fertilization 3 Crossing Over 4 Haploid 5 Variation 6 Diploid 7 Gametes 8 Homologous chromosomes 9 Meiosis 10 Nondisjunction 11 Zygote Different forms of the same gene such as flower color or eye color Different forms of something Cells that contain half the total number of chromosomes for an organisms; sex cells The male gamete or ’sperm’, and the female gamete, ’egg’ or ’ovum’ are specialized sex cells, which fuse together to begin the formation of a zygote during a process called sexual reproduction A set of one maternal and one paternal chromosome similar in size that pair up with each other inside a cell during meiosis; each carries the same gene Cell division that results in haploid gametes cells The failure of homologous chromosomes or sister chromatids to separate properly during meiosis A diploid cell resulting from the fusion of the sperm and egg The exchange of genetic material between homologous chromosomes during prophase I in meiosis. Contributes to genetic variation A cell that contains pairs of homologous chromosomes (2n) A cell that contains single set of chromosomes (n)