cells alive- meiosis animation ta

MEIOSIS DRAWING

MEIOSIS REVIEW LINKS Cells Alive- http://

cellsalive.com/meiosis.htm

Meiosis animationhttp://www.youtube.com/watch?v=kVMb4Js99tA

MEIOSIS PRACTICE TEST

Answer the following questions on the back of your review sheet.

1. MEIOSIS AND MITOSIS ARE DIFFERENT BECAUSE…A. Meiosis produces 2 haploid cellsB. Mitosis produces 4 haploid cellsC. Meiosis produces 4 haploid cellsD. Mitosis produces 2 haploid cells

2. HAPLOID MEANSA. HappyB. Half the number of chromosomes

neededC. Full set of chromosomesD. Same as diploid

3. HOW MANY OF THE CELLS BECOME THE EGG AND SPERM AT THE END OF MEIOSIS (IN THAT ORDER):

A. 1 and 3B. 2 and 4C. 1 and 4D. 2 and 3

4. CROSSING OVER OCCURS IN WHICH PHASE?A. Telophase IB. Metaphase IIC. Metaphase ID. Telophase II

5. HOW MANY TIMES DOES A CELL DIVIDE IN MEIOSIS? HOW MANY CHROMOSOMES IN THE END?

A. 2 and 23B. 2 and 46C. 1 and 46D. 1 and 23

6. BESIDES CROSSING OVER, WHAT OTHER STEP DOES MEIOSIS DO TO HELP WITH GENETIC DIVERSITY?

A. Divides twiceB. Determines genderC. Independent assortmentD. Occurs differently in men than women

7. HOW DOES THE GENETIC CONTENT OF CELLS RESULTING FROM MEIOSIS AND MITOSIS DIFFER?

A. Mitosis they are differentB. Meiosis they are the sameC. No difference between meiosis and mitosisD. Meiosis they are different

8. DURING WHICH PHASE DOES THE FOLLOWING HAPPEN: CELLS UNDERGO A ROUND OF DNA REPLICATION

A. Metaphase IB. Anaphase IIC. InterphaseD. Telophase II

9. WHAT DOES THE PICTURE REPRESENT?

A. DNA replicationB. TranscriptionC. Independent

assortmentD. Crossing over

10. WHAT DO THE SPINDLE FIBERS DO? A. pull apart chromosomes during

anaphase B. keep the structure of the cell C. help with molecule transport D. assist with DNA replication

11. WHY IS MEIOSIS NEEDED?A. For asexual reproduction to occurB. To decrease genetic diversityC. For sexual reproduction to occurD. To increase DNA replication

ANSWERS1) C2) B3) C4) C5) A6) C

7) D8) C9) D10) A11) C

IMPORTANT REMINDERS1. Quiz Friday on meiosis2. Meiosis packet due friday

TEST CORRECTIONSSEPARATE SHEET OF PAPER!!!

1. Question #2. Correct Answer3. Where did you find the answer? (location and

section #)4. Why is that the correct answer?

Need all four parts to have a complete test correction. This goes in as a separate assignmentRetake if you got a 50 and below to get up to 50.5 (70%).All retakes must be complete by Thursday, 5/3