MITOSIS AND MEIOSIS CROSSWORD PUZZLE If the answer consists of more than one word, write all words together. Skip no spaces. Use no hyphens 0 10 16 19 18 20 www.com 25 21 23 13 24 11 12 17 ACROSS 1 cell division used for asexual reproduction by unicellular organisms 3 the pairing of homologous chromosomes during meiosis 5 the haploid number of chromosomes lines up in single file in the middle of the spindle in meiosis (name the phase + one or two) 9 results in 4 daughter cells each with half of the mother cell's chromosomes 11 the union or fusion of gametes 16 fertilized egg cell 18 haploid sex cells 20 the diploid number for humans 22 meiosis to form sperm* 23 chromosomes! line up in the middle of the spindle in mitosis 24 division of the cytoplasm 25 another name for meiosis because the chromosome number is reduced from diploid to haploid (from 2n to n) DOWN 2 chromatids separate and new daughter chromosomes go to opposite poles in mitosis 4 the two identical copies of a chromosome still bound together at the centromere following replication results in 2 daughter cells identical to each other and the mother cell. 6 word describing the two chromosomes in a pair that have genes that code for the saque traits 7 meiosis to form an egg* 8. having two chromosomes of each pair - normal body cells 10 key event of S phase 12 the haploid number for humans 13. the exchange of parts by nonsister homologous chromatids during meiosis 14 homologous pairs of chromosomes line up in the middle of the spindle during meiosis. (name the phase + one or two) 15 sister chromatids separate and move to opposite poles in meiosis (name the phase + one or two) 17. homologous pairs of chromosomes separate and move to opposite poles (chromatids do not separate) (name the phase + one or two) 19 the fastest dividing human cells 21 includes G1, S. and G2 in the cell cycle