8What is Meiosis? Makes more sex (reproductive) cells Sperm (in men) Eggs (in women)
9Who cares? No meiosis, no fertilization. No fertilization, no offspring.No offspring, no future.
10Sperm cells carry genes that code for the father’s traits. Meiosis in males:Produces sperm cells in the testesThis process is called spermatogenesisSperm cells carry genes that code for the father’s traits.
11Egg cells carry genes that code for the mother’s traits. Meiosis in females:Produces egg cells in the ovariesThis is called oogenesisEgg cells carry genes that code for the mother’s traits.
12Sperm and egg cells are: Haploid (1n)Reproductive Cells (x y)Also called Gametes
23Meiosis Mitosis Makes more cells. Divide Once = Four Phases: 2 Diploid Cells (2n)Four Phases:ProphaseMetaphaseAnaphaseTelophaseMakes more sex cells. (Sperm & Egg)Divide Twice=4 Haploid Cells (1n)Two Major Phases:Meiosis IMeiosis II
24Please answer in complete sentences on a blank piece of paper. Critical Thinking:Please answer in complete sentences on a blank piece of paper.
25Answer the following questions: Explain a time when you have never felt so much pain. How did mitosis help you get through it?Why do you think meiosis is important to production agriculture & animal science?