1. BIOLOGY CELL CYCLE AND GENETICS REVIEW

2. What are the steps of mitosis?
IPMATC
What are the steps of mitosis?

3. What happens during the S phase of interphase?
DNA REPLICATION
What happens during the S phase of interphase?

4. Which of the following cells is in metaphase?B

5. What is the purpose of crossing over?
GENETIC VARIATION
What is the purpose of crossing over?

6. When does telophase occur?
At the end of mitosis
When does telophase occur?

7. When does interphase occur?
Before mitosis
When does interphase occur?

8. When does cytokinesis occur?
After Mitosis
When does cytokinesis occur?

9. What process produces gametes in animals?
Meiosis
What process produces gametes in animals?

10. 46, 23
How many chromosomes are in a human body cell? How many chromosomes are in a human gamete cell?

11. Cancer
When cell growth is unregulated and the cell reproduces out of control what is this called?

12. Cell division
In order to stop the uncontrolled reproduction of cells a cell must stop undergoing what process?

13. What is the process that produces new tissue cells?
Mitosis
What is the process that produces new tissue cells?

14. In what phase of the cell cycle is DNA replicated?
Interphase
In what phase of the cell cycle is DNA replicated?

15. When cells divide too fast what can be produced?
tumor
When cells divide too fast what can be produced?

16. They reduce by half
What happens to the number of chromosomes during segregation in meiosis?

17. 54
If a somatic cell contains 54 chromosomes and undergoes mitotic cell division how many chromosomes will each daughter cell contain?

18. 50
If a somatic cell contains 100 chromosomes and undergoes meiotic cell division how many chromosomes will each daughter cell contain?

19. BL Bl bl
Complete the dihybrid cross and predict the percent offspring phenotypes of a cross between a Guinea pig with Black short hair (BBLl) and a white long haired (bbll) Guinea pig.
BbLl
Bbll 50
__________% Black/Short
__________% Black / long
__________% white / Short
__________% white/ long

20. b B
________:__________:____________
If blue feathers are dominant over green feathers in parrots, what would be genotypic ratio of a cross between a green parrot and a heterozygous blue parrot? Bb bb
0 BB Bb bb

21. AB Ab ab
In a cross between AABb with Aabb what percentage of the offspring will be AABb?
AABb
AAbb
AaBb
Aabb

22. 25%
What percentage of the offspring from a cross of AaBb X aabb would be heterozygous for both traits?

23. A a AA Aa aa
Black fur is dominant to white fur color. What is the expected phenotypic outcome of two heterozygous cats mating?

24. a+ a
a+a
Green is dominant o brown. A homozygous green color plant (a+a+) is crossed with a homozygous brown color plant. What will the offspring look like?

25. Both Heterozygous (Bb x Bb)
What are the genotypes of parents that have a brown eyed child and a blue eyed child?

26. Remember that all tests are cumulative study what you don’t know from the previous tests!!