GWHS Genetics Review

23 Pairs of Chromosomes

• This is 46 chromosomes total, (the number in human Body cells).

• Pieces of DNA found in the nucleus

• Number of Chromosomes in sex cells

Chromosome

• Gender if you have an X and a Y chromosome

• Parts of the cell membrane

• Pieces of DNA found in the nucleus

Tags

NGSS.HS-LS3-1

NGSS.HS-LS1-1

Male

• Eggs and Sperm

• Gender if you have two X chromosomes

• Gender if you have an X and a Y chromosome

Tags

NGSS.HS-LS3-1

Female

• Gender if you have two X chromosomes

• Gender if you have an X and a Y chromosome

• Found only in Mammals

Tags

NGSS.HS-LS3-1

Sex Cells

• Same as body cells

• Eggs and Sperm

• Only produced by Females

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Meiosis

• Pieces of DNA found in the nucleus

• A new form of cells.

• Process that produces sex cells

Tags

NGSS.HS-LS3-2

Mitosis

• Process that forms new body cells. Also known as cell division.

• Happens only in Males

• Produces Energy for cells

Tags

NGSS.HS-LS1-4

46

• Number of chromosomes found in Reproductive cells.

• Number of chromosomes found in the nucleus of each body cell

• Chromosomes found in all living things

Tags

NGSS.HS-LS3-2

23

• How many times a cell divides

• The number of chromosomes in a body cell.

• The number of chromosomes in each sex cell (egg or sperm)

Tags

NGSS.HS-LS3-2

NGSS.HS-LS1-4

23

• Number of chromosomes the zygote received from each parent.

• Number of chromosomes in all body cells.

• The age of a "Super Senior" at GWHS

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2