1. Station 1: Salmon life Cycle
What process (A) do the adult fish undergo to produce egg and sperm?
What process occurs at “B” to form a diploid cell?
What process does the single cell use to grow into a multi-cellular fish? A B

2. Station 2
What is the major disadvantage to asexual reproduction that we discussed in class?
What is the major advantage to sexual reproduction that we discussed in class?
The product of sexual reproduction is ___________ from the parent.
The product of asexual reproduction is __________ to the parent.

3. Station 3 Haploid or Diploid
The sperm is __________.
2. The egg is __________.
3. The zygote (fertilized egg) is __________.

4. Station 4 – General life cycle
What process happens at “A”?
What process happens at “B”?
What process happens at “C”?

5. Station 5 : Haploid cells or Diploid cells
The cells at number “1” are _________.
The cells at number “2” are _________.
The cells at number “3” are _________.
Are the cells at “3” identical or different from the cells in “1”?

6. Station 6 What process occurs at number “3” to help the animal grow?
Are the fertilized eggs on the belly of the moma crab haploid or diploid?
By what process will these grow to become an adult crab? 3 3 2
Fertilized eggs 3 3 1 3 3

7. Station 7: Ploidy (number of chromosomes) Complete the chart to show the number of chromosomes in each type of cell. 2n
Diploid
Adult or Zygote n
haploid
Gametes (sex cell)
Cabbage 18
Mouse 40
Chimpanzee 48
Human 46
Pigeon 80
Striped skunk 50
Kangaroo 12
Mosquito 6

8. Station 8 – Matching the definitions
Haploid
Diploid
Homologous
meiosis
2 sets of chromosomes.( 2n)
1 set of chromosomes (n)
Chromosomes that are similar in size, shape and genetic content
The form of cell division that halves the number of chromosomes when forming specialized sex cells, like gametes or spores.

9. Station 9 - Matching Independent Assortment Crossing over
Random fertilization
Random distribution of homologous chromosomes.
Random joining of two gametes.
Exchange of genes in prophase 1
4. These are three ways meiosis creates
_______________ _______________

10. Station 10- diploid life cycle
What happens at A?
What happens at B?
What happens at C? A C B

11. Station 11- Humans What is the haploid number for humans?
What is the diploid number for humans?
3. In what process do the two haploid gametes fuse to become a zygote?
4. What is the female gamete?
5. What is the male gamete?

12. Station 12 What process is pictured?
Is this the way we make somatic body cells or sex cells?
Why is genetic variation important?
4. What type of repoduction results in more genetic variation?

13. Station 13: Ploidy (number of chromosomes) Complete the chart to show the number of chromosomes in each type of cell. 2n
Diploid
Adult or Zygote n
haploid
Gametes (sex cell)
Pigeon 40
Striped skunk 25
Kangaroo 6
Mosquito 3

14. Station 14: Comparing Mitosis and Meiosis Use  for 1 -3 and answer 4, 5 , and 6
1.Used make somatic body cells
(grow, repair tissues or replace dead or dying cells.)
2. Used to make sex cells or gametes
3. Uses crossing over
4. Number of cells made ( 2 or 4)
5. How do the resulting cells compare to the parent?
(identical or different)
6. Number of chromosomes in resulting cells (same as parent or half