Chromosome Theory of Inheritance

Untitled Slide

• Genes are carried from parent to offspring on chromosomes.

Genes are spots on chromosomes.
Chromosomes are made of DNA.

Chromosomes exist in pairs - one from each parent.

Humans have:
23 pairs (46) of chromosomes in body cells.

Humans have 23 chromosomes in each sex cell (sperm & egg)

forms sex cells

Goes through prophase, metaphase, anaphase, & telophase twice.

Creates twice as many new cells with half the # of chromosomes.