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Cell Reproduction Notes
Prokaryotic Cell Reproduction ,[object Object],[object Object],[object Object],[object Object]
 
Eukaryotic Chromosomes What are chromosomes made of?  _________________ What is a gene? _____________________ ___________
Which organism has the most chromosomes?__________least?___________
Human Chromosomes (karyotype) Is this a karyotype of a male or female? What is the difference between male and female?
Sets of Chromosomes ,[object Object],[object Object],[object Object],[object Object],[object Object]
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 .
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
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
Cell Cycle First Growth Phase (G1) Synthesis Phase (S) Second Growth Phase (G2) Mitosis Cytokinesis
Phases of Mitosis
Chromosome during Metaphase
Phases of Mitosis
Phases of Mitosis
Meiosis – Cell reproduction of sex cells. Meiosis Mitosis Start with 2N cells, end with 1N cells (haploid.) Start with (diploid) 2N cells, End with 2N cells # of chromosomes in cells produced is reduced by half. Chromosome # stays the same. Creates 1 egg (oogenesis) or 4 sperm cells (spermatogenesis) Creates 2 identical daughter cells ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
 
Meiosis 1
Meiosis 2

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