Cell Division

Why is cell division so important?

Where are chromosomes found? What do they contain? Why?

What is a gene? What does it do?

What are alleles? What do they produce? What must happen to them?

Why must the chromosome number stay the same when cells divide?

Chromosomes are found in...

How many chromosomes in a human cell?
How many pairs?

Body cells divide by...

Mitosis produces cells by..

What is the first stage in Mitosis?

Before the cell can divide, it must... Why?

What forms that makes the chromosomes line up on the equator? When does this happen?

Chromosome strands move to... poles of the cell

A membrane is formed around the chromosomes that creates two genetically identical cells. What is the membrane called?

Before DNA replication, what does the nucleus do?

Cells in reproductive organs divide by...

What does Meiosis produce?
Give an example

Normal body cells have a... number of chromosomes

Gametes have a... number of chromosomes

Gametes contain.... set(s) of genetic information

How many daughter cells does Mitosis make?

How many daughter cells does Meiosis make?

Before Meiosis do the cells have the same number of chromosomes as normal body cells?

True/False
In Meiosis, the chromosomes are copied before the cell divides

How many times does the cell divide in Meiosis?

The original cell is called...

The newly made cells are called...