3.24

• Mitosis is when cell divide it self, results in growth
• Results in an increase in the number of cells
• Number of chromosomes in a nucleus is called 'diploid'
• In humans the diploid number of cells is 46
• The cells that are a result of mitosis are identical
• This is because 1. They have the same number of chromosomes 2. Same set of Chromosomes

3.15

Gene is part of a DNA
Defines Characteristics of the organism
From blood group to petal color
In the nucleus

3.14

DNA is a Deoxyribonucleic acid in the form of a Double-helix structure
Found in the nucleus
46 chromosomes
Gene holds genetic information
Proteins produce characteristics

3.1 sexual and asexual

Sexual:
Sex male/female
Gametes which mean that they heave sperm and egg
Meiosis 1/2 chromosomes
Fertilization (fuse)
Produces Variation

A sexual:
No sex
No gametes
Binary fission
No fertilization
Small variation