Chapter 10 Cell Growth and Division Chromosomes and Inheritance 4/3/2019 Chapter 10 Cell Growth and Division G. Podgorski, Biol 1010

One organism produces a copy of itself. Used by many organisms Asexual reproduction Parent Bud One organism produces a copy of itself. Used by many organisms (Like this Hydra) 0.5 mm

Prokaryotic Cell Undergoing Binary Fission (Asexual)

Cell division ? ?

Identical Daughter Cells Two identical daughter cells Parent Cell

Also used by many organisms Humans, Trees etc Promotes variation Sexual reproduction Also used by many organisms Humans, Trees etc Promotes variation Mixing genes from two individuals together creates an almost infinite variety of choices

New Cells are Formed from Cell Division 2 trillion cells are produced by adult humans every day! 25 million new cells per second! Gamete- an organism’s reproductive cells Female- egg cell Male- sperm cell Haploid- Contains 1 set of chromosomes n=23 Somatic cells- all the other cells in your body Diploid- contains 2 sets of chromosomes 2n=46