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

2. Station 2
What is the major disadvantage to asexual reproduction that we discussed in class? No variation
What is the major advantage to sexual reproduction that we discussed in class?
variation
3. The product of sexual reproduction is ____different_______ from the parent.
4. The product of asexual reproduction is ____identical______ to the parent.

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

4. Station 4 – General life cycle
What process happens at “A”?
meiosis
2. What process happens at “B”? fertilization
3. What process happens at “C”?
mitosis

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

6. Station 6
What process occurs at number “3” to help the animal grow? mitosis
What process occurs at number “1”? meiosis
What process occurs at number “2”? fertilization
Are the fertilized eggs on the belly of the momma crab haploid or diploid? Dip.
By what process will these grow to become an adult crab? mitosis 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 9
Mouse 40 20
Chimpanzee 48 24
Human 46 23
Pigeon 80
Striped skunk 50 25
Kangaroo 12 6
Mosquito 3

8. Station 8 – Matching the definitions
Haploid b
Diploid a
Homologous c
Meiosis d
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 a Crossing over c
Random fertilization b
Random distribution of homologous chromosomes.
Random joining of two gametes.
Exchange of genes in prophase 1
4. These are three ways meiosis creates
____genetic__ ___variation____

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

11. Station 11- Humans What is the haploid number for humans? 23
What is the diploid number for humans? 46
3. In what process do the two haploid gametes fuse to become a zygote? Fert.
4. What is the female gamete? Egg
5. What is the male gamete? sperm

12. Station 12 What process is pictured? meiosis
Is this the way we make somatic body cells or sex cells? Sex cells
Why is genetic variation important? Promotes success and evolving
4. What type of reproduction results in more genetic variation? sexual

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 80 40
Striped skunk 50 25
Kangaroo 12 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.) X
2. Used to make sex cells or gametes
3. Uses crossing over
4. Number of cells made ( 2 or 4) 2 4
5. How do the resulting cells compare to the parent?
(identical or different)
Ident
Diff
6. Number of chromosomes in resulting cells (same as parent or half
Same
half