Meosis + Mitosis Part Three?

Question

1. What are three major groups of carcinogens?

2. What property of cancer cells allows them to spread throughout the body?

3. What is this process called?

4. What are some other properties of cancer cells?

5. What signals control the growth and division of normal cells?

6. Describe nondisjunction.

Answer 1

I don't know #1...

2+3: Metastasis

4. Invasion and extremely rapid, uncontrolled growth

5. Checkpoints, usually associated with cyclin and CDK's

6. Nondisjunction is when 2 homologous chromosomes fail to separate after they become a tetrad, so one cell receives 4 chromosomes and the other gets none.