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Test your basic knowledge |
CSET Meiosis
Start Test
Study First
Subjects
:
cset
,
science
,
biology
Instructions:
Answer 22 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. The chromosome number is ______ by a process called Meiosis
#of cells
Half
positioning of the chromosomes at each stage same or different
reduced
2. The egg and the sperm have a aploid chromosome number
Four cells
Meiosis
Half
Reproductive organs
3. 4 cells end of meiosis
#of cells
identical/ different cells
Fertilization
duplication of chromosomes y/n
4. When 2 gametes join - the chromosome number is...
# chromosomes
Meiosis
doubled
Importance of meiosis
5. A zygote has a _________ chromosome number
Meiosis
diploid
Fertilization
Four cells
6. Have 1/2 # of chromosomes from parent cells (1/2 aploid)
body cells
Four cells
positioning of the chromosomes at each stage same or different
# chromosomes
7. Meiosis can only occur in...
reduced
Crossing over y/n
body cells
Reproductive organs
8. Complete set
Half
Reproductive organs
positioning of the chromosomes at each stage same or different
diploid
9. The fusion of an egg and a sperm
positioning of the chromosomes at each stage same or different
# chromosomes
diploid
Fertilization
10. Sexual reproduction of cells - Has 2 division cells - makes 2 complete sets
identical/ different cells
Meiosis
reduced
Crossing over y/n
11. Gives variations in species because of overcrossing Meiosis is a bit different because there something called crossing - over happens with the DNA. This crossing over is an exchange of genes. The genes are mixed up - not resulting in a perfect duplic
identical/ different cells
Importance of meiosis
gametes
reduced
12. Cells are different
Reproductive organs
identical/ different cells
Crossing over y/n
Meiosis
13. Contain pairs of chromosomes
body cells
# divisions
types of cells
aploid
14. Forms when one sperm cell gains an egg cell fertilize and make complete set
Importance of meiosis
zygote
aploid
Four cells
15. Sex cells or gametes go through meiosis
types of cells
identical/ different cells
Meiosis
diploid
16. Yes overcrossing chromosomes interlink and exchange information in children overcrossing siblings look different
Crossing over y/n
types of cells
duplication of chromosomes y/n
Importance of meiosis
17. Reduced 1/2 set
aploid
reduced
Reproductive organs
gametes
18. Yes cell divides and duplicates everything
Meiosis
duplication of chromosomes y/n
Crossing over y/n
types of cells
19. Contain only one chromosome from each matched pair
gametes
aploid
Fertilization
Importance of meiosis
20. 2 divisions in meiosis
Meiosis
# chromosomes
# divisions
Crossing over y/n
21. Same for both
positioning of the chromosomes at each stage same or different
reduced
types of cells
duplication of chromosomes y/n
22. After 2 nuclear divisions in meiosis - _______ result
types of cells
Four cells
#of cells
positioning of the chromosomes at each stage same or different