Purposes of Cell Division fold Purposes of C

Purposes of Cell Division

fold Purposes of C e l l D i v i s i o n cut in Humans

Purpose: Cell division for reproduction creates offspring with traits from both mother and father.

Why it’s important: If offspring are created, the species continues. If not, the species becomes extinct. Called: makes MEIOSIS

MOM egg DAD egg ½ chromosomes from Mom offspring sperm ½ chromosomes from Dad (reproduction)

Purpose: Cell division for growth and repair creates exact copies of a cell.

Why it’s important: Makes it possible for a living thing to grow; creates new cells to replace damaged or dead cells. Called: MITOSIS

Skin Cell Chromosomes make copies Half go to each new cell Skin Cell exact copies (growth & repair)

Quick Quiz: 1. Meiosis makes _____. 2. The purpose of meiosis is _______. 3. Meiosis create egg and sperm cells with _____ the original chromosomes. 4. Egg and sperm combine to create an _____ with unique traits. 5. Mitosis can be compared to a _______. 6. Mitosis makes an exact ______ of the original cell. 7. The purpose of mitosis is ____ and _______ of organisms.

Quick Quiz: me 1. Meiosis makes _____. reproduction 2. The purpose of meiosis is _______. half the 3. Meiosis create egg and sperm cells with _____ original chromosomes. offspring 4. Egg and sperm combine to create an _____ with unique traits. copy machine 5. Mitosis can be compared to a _______. copy of the original cell. 6. Mitosis makes an exact ______ growth and _______ repair 7. The purpose of mitosis is ____ of organisms.