Mitosis and Meiosis Review

A human usually has ______ chromosomes in their body cells.

• 6
• 22
• 4
• 46

Tags

NGSS.HS-LS3-1

The purpose of sexual reproduction and meiosis is to form ________ cells.

• body
• sex
• somatic
• brain

Tags

NGSS.HS-LS3-2

How many daughter cells are produced at the end of meiosis?

• 1
• 2
• 3
• 4

How many chromosomes are in the new cells of meiosis?

• 46
• 23

Before mitosis or meiosis can begin, DNA must go through Interphase. This is when...

• DNA replicates
• DNA splits
• DNA forms chromosomes
• Chromosomes cross over

Meiosis makes sperm and egg cells. In humans, sperm and egg cells each have _____ chromosomes. Therefore a fertilized human egg cell (sperm and egg cell combined) would create a cell with _____ chromosomes.

• 23, 46
• 46, 23
• 2, 4
• 50, 100

Tags

NGSS.HS-LS3-2

The products of meiosis are genetically...

• different.

• identical.

Tags

NGSS.HS-LS3-2

All cells in your body have genetic information (the code found within DNA). Sex cells (egg and sperm) have ________________ the amount of genetic information when compared to the body cells in your body

• twice

• equal

• half

• four times

Why do we need meiosis?

• To double the number of chromosomes going into sex cells
• To halve the number of chromosomes going into sex cells
• To triple the number of chromosomes going into sex cells
• To not change the number of chromosomes going into sex cells

Tags

NGSS.HS-LS3-2

Crossing over occurs in

• Metaphase I

• Anaphase I

• Prophase II

• Prophase I