1. Cell Reproduction Centrioles Spindle Fibers Stem Cell G1 Phase
Cellular growth & DNA replication
Inversion
Binary Fission
Bacteria
Long, thin DNA strands
Trisomy
Chromatin
Interphase
Same # of chromosomes
Nucleus dividing
Cytokinesis
Anaphase
Mitosis
Cytoplasm divides forming 2 identical cells
Mitosis results
Similar in size shape and genetic information
Autosomes
DNA is duplicated
Homologous chromosomes
S phase
G2 Phase
Prophase
Skin, muscle, nerve cells
Diploid
Meiosis results
Sister chromatids
Humans = 46
Two sets of chromosomes
Half the # of chromosomes
Each half of a copied chromosome
Somatic cells
XO Syndrome
Centromere
Uncontrolled cell cycle
Cancer
Telophase
Translocation
Sperm & Egg
Haploid
Metaphase
Genetic Diversity
Gametes
Humans = 23
One set of chromosomes
Advantage of Meiosis
Random organization of chromosome pairs
Independent Assortment
Karyotypes
Chromosome
Copied
Nondisjunction
Too few or too many chromosomes in gametes
Deletion
Random Fertilization
Disjunction
Zygote
Crossing Over