1. Slide 1 anther (where male gametes originate) ovules inside the ovary (where female gametes originate) Figure 10.2a Page 164

2. Slide 2 penis testis (where sperm originate) ovary (where eggs develop) vagina Human MaleHuman Female Figure 10.2b Page 164

3. Slide 3 one chromatid its sister chromatid One chromosome in the duplicated state centromere In-text figure Page 165

4. Slide 4 interphase (DNA replication before meiosis I) PROPHASE I METAPHASE I ANAPHASE I TELOPHASE I MEIOSIS I PROPHASE II METAPHASE II ANAPHASE II TELOPHASE II MEIOSIS II no interphase (no DNA replication before meiosis II) In-text figure Page 165

5. Slide 5 every homologue pairs with its partner … … then partners separate Meiosis I Meiosis II two chromosomes (unduplicated) Stepped Art In-text figure Page 165

6. Slide 6 Telophase I Anaphase I Metaphase I spindle equator one pair of homologous chromosomes newly forming microtubules Prophase I Meiosis I Stepped Art Figure 10.4(1) Page 166

7. Slide 7 Stepped Art Figure 10.4(2) Page 167 Prophase II Meiosis II Metaphase II Anaphase II Telophase II

8. Slide 8 Stepped Art Figure 10.5 Page 168 paternal homologue maternal homologue

9. Slide 9 123 combinations possible or Stepped Art Figure 10.6 Page 169 or

10. Slide 10 multicelled sporophyte multicelled gametophytes zygote gametes spores meiosisfertilization mitosis Diploid Haploid Figure 10.7 Page 170

11. Slide 11 multicelled body gametes zygote meiosisfertilization mitosis Diploid Haploid Figure 10.7 Page 170

12. Slide 12 Growth Meiosis I, Cytoplasmic Division Meiosis II, Cytoplasmic Division ovum (haploid) primary oocyte (diploid) oogonium (diploid) secondary oocyte (haploid) first polar body (haploid) three polar bodies (haploid) Figure 10.8 Page 171

13. Slide 13 Growth Meiosis I, Cytoplasmic Division Meiosis II, Cytoplasmic Division cell differentiation, sperm formation spermatids (haploid) secondary spermatocytes (haploid) primary spermatocyte (diploid) spermato- gonium (diploid ) sperm (mature, haploid male gametes) Figure 10.9 Page 171

14. Slide 14 Mitosis Meiosis IMeiosis II Figure 10.10 Page 172-173

15. Slide 15 2n n germ cell each chromosome duplicated during interphase Meiosis I separation of homologues Meiosis II separation of sister chromatids diploid number restored at fertilization zygote gametes Figure 10.11 Page 174