Unit 6 notes

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Somatic cells- These are body cells that make up most of your body tissues and organs.

Ex. Spleen, Kidneys, and eyeballs are made entirely of body cells.

Germ cells- These are cells in your reproductive organs, such as the ovaries or testes.

These develop into gametes.

Gametes are sex cells- eggs in the female and sperm in the male.

Each species has a certain number of chromosomes per cell.

Our body cells hold 46 chromosomes a cell, in 23 pairs.

Cells in organism differ because different genes are expressed.

Your cells have autosomes and sex chromosomes