Chapter 5

Cell Division • Every human being is a product of the union of gametes: a sperm of mother from father and an egg

from the mother. From this beginning arose the trillions of

cells that make up the body of an adult human being.

Types of cell Division

Membrane Growth

Mitosis

Meiosis

Cell Cycle

•The life of cell begins with it’s formation from a parent cell by division and ends when the cell divides to from daughter cell of it’s own or when it dies.

Two Phases

M phase

Interphase

Control of Mitosis

Tumor and Cancer

Asexual Reproduction

Fragmentation Vegetative reproduction

Bud

regeneration

Meiosis and Sexual Reproduction

Sexual Reproduction

Gametes

Chromosome Number

Diploid

Haploid

FertilizationZygote

Homologous pairs

Phases of Meiosis

Meiosis I

Prophase I

Metaphase I

Anaphase I

TelophaseI

Crossing Over

Genes

Crossing Over

Meiosis and Evolution

Variation