Download Unit 5 review

yes no Was this document useful for you?
   Thank you for your participation!

* Your assessment is very important for improving the work of artificial intelligence, which forms the content of this project

Document related concepts

Meiosis wikipedia, lookup

Polycomb Group Proteins and Cancer wikipedia, lookup

Karyotype wikipedia, lookup

X-inactivation wikipedia, lookup

Neocentromere wikipedia, lookup

Chromosome wikipedia, lookup

Polyploid wikipedia, lookup

Ploidy wikipedia, lookup

History of genetic engineering wikipedia, lookup

NEDD9 wikipedia, lookup

Vectors in gene therapy wikipedia, lookup

Epigenetics in stem-cell differentiation wikipedia, lookup

Name: _____________________________________
Unit 5 ā€“ Cell Growth and Reproduction
1. List the three reasons a cell divides:
a. _____________________________________
b. _____________________________________
c. _____________________________________
2. The longest phase of the cell cycle is _____________________.
3. In G1, they cell __________________.
4. The DNA is copied during ___________________.
5. The last stage of interphase is _______.
6. The goal of mitosis is to get cells that are genetically ______________. The chromosome number goes 2N
a. What does the ā€œNā€ mean? ____________________________
7. Write the stage of mitosis next to what is occurring in that stage.
a. Nucleus reforms, DNA loosens, last stage
b. Chromosomes line up in the middle of the cell
c. DNA condenses; nuclear envelope breaks down
d. Chromosomes move to opposite sides of the cell
8. What is the difference between plant and animal telophase/cytokinesis?
9. What cell part do animal cells have to help them complete cytokinesis?
10. The goal of meiosis is to get cells that are genetically _____________. The chromosome number goes 2N
11. The cells at the end of mitosis are diploid / haploid and cells at the end of meiosis are diploid / haploid.
12. What is crossing over?
13. When does crossing over occur? ____________________
14. When chromosomes fail to separate, it is known as __________________________.
________________ syndrome and Patau syndrome are results of this.
Biology Keystone Review 2013-2014
Updated 4/2/2014