1. Cell Reproduction Notes

4. Eukaryotic Chromosomes What are chromosomes made of? ___DNA______________ What is a gene? _SEGMENT OF DNA______ ___________

5. Which organism has the most chromosomes?__________least?___________

6. Human Chromosomes (karyotype) Is this a karyotype of a male or female? What is the difference between male and female?

8. Chromosomal Mutations What do the different sections represent? What went wrong in each mutation? sickle-cell disease is caused by a single point mutation which encodes the amino acid valine rather than glutamic acid .

9. Chromesome number sheet Organism # of chromosomes in body, skin cells, etc. 2N Diploid # 1N Haploid # # of chromosomes in sperm cells # of chromosomes in egg cells Fruit fly 8 Onion 8 Cat 38 Chicken 38 human apple 34 Cat fish 20

10. Chromesome number sheet Organism # of chromosomes in body, skin cells, etc. 2N Diploid # 1N Haploid # # of chromosomes in sperm cells # of chromosomes in egg cells Fruit fly 8 8 4 4 4 Onion 16 16 8 8 8 Cat 38 38 19 19 19 Chicken 76 76 38 38 38 human 46 46 23 23 23 apple 34 34 17 17 17 Cat fish 20 20 10 10 10

12. Phases of Mitosis

13. Chromosome during Mitosis

14. Phases of Mitosis

15. Phases of Mitosis

18. Meiosis – Cell reproduction of sex cells.

20. Meiosis 1

21. Meiosis 2