1. Reproduction Donald Winslow 28 January 2014 Sources: Hickman et al. 2006. Integrated Principles of Zoology, 13 th ed., McGraw-Hill, New York, Ch. 7. Hoefnagels 2009. Biology, McGraw-Hill, New York, Ch. 8-10.

2. Reproduction Cellular reproduction  Somatic Genome, genes in DNA in nucleus Cell cycle  G 1, S, G 2, Mitosis  Gametic Meiosis Organismal reproduction

3. Cellular reproduction Somatic Cell cycle G 1 S – DNA replication G 2 Mitosis – separation of chromosomes Cytokinesis – splitting of cell into two cells Gametic

4. The cell cycle G1G1 S G2G2 M

5. Organismal reproduction Types of reproduction  Asexual  Sexual Life cycles Genetics Costs of sexual reproduction Advantages of sexual recombination

6. Types of reproduction From Hickman et al. 2006 (13 th ed.), Fig. 7.1‏

7. Types of reproduction Asexual  Cloning Binary fission Budding Ameiotic parthenogenesis  Meiotic parthenogenesis Sexual  Separate sexes‏  Hermaphroditism‏

8. Generalized sexual lifecycle femalemale ovum sperm gametes haploid (1N) gametogenesis meiosis diploid (2N) fertilization zygote (2N)‏ embryo development

9. Genetics Gregor Mendel Alleles, genes, and genomes Genotype & phenotype Dominance relations among alleles