Oct1_chapts12-13_FULL

Oct1_chapts12-13_FULL - 2n = 4 Diploid 2 copies of each...

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Unformatted text preview: 2n = 4 Diploid 2 copies of each chromosome 2 sets # Chromosomes 2n = 4 Diploid 2 copies of each chromosome 2 sets # Chromosomes n = 4 # Chromosomes Haploid 1 copy of each chromosome 1 set n = 4 # Chromosomes Haploid 1 copy of each chromosome 1 set n = 4 2n = 4 Haploid or diploid? # chromosomes? Formula? # DNA molecules? Haploid or diploid? HAPLOID # chromosomes? 1 Formula? n = 1 # DNA molecules? Haploid or diploid? # chromosomes? Formula? # DNA molecules? Haploid or diploid? DIPLOID # chromosomes? 6 Formula? 2n = 6 # DNA molecules? 12 Haploid or diploid? # chromosomes? Formula? # DNA molecules? Haploid or diploid? DIPLOID # chromosomes? 4 Formula? 2n = 4 # DNA molecules? 8 Haploid or diploid? # chromosomes? Formula? # DNA molecules? Haploid or diploid? # chromosomes? Formula? # DNA molecules? Haploid or diploid? DIPLOID # chromosomes? 6 Formula? 2n = 6 # DNA molecules? 6 Haploid or diploid? # chromosomes? Formula? # DNA molecules? Haploid or diploid? DIPLOID # chromosomes? 6 Formula? 2n = 6 # DNA molecules? 6 Haploid or diploid? HAPLOID # chromosomes? 3 Formula? n = 3 # DNA molecules? 6 Haploid or diploid? DIPLOID # chromosomes? 6 Formula? 2n = 6 # DNA molecules? 6 Haploid or diploid? HAPLOID # chromosomes? 3 Formula? n = 3 # DNA molecules? 6 Review: Mitosis vs. Meiosis Event Mitosis Meiosis DNA Replication Interphase (S) Interphase (S) # Cell Divisions 1 2 # Daughter cells 2 4 Ploidy of daughter nuclei 2 n (diploid) n (haploid) Synapsis of homologues? No Yes When? Not applicable Early prophase I Crossing over? No Yes When? Not applicable Late prophase I Biological role Duplicate cells Generate reduced faithfully (for growth gametes (for and repair) reproduction) Chapter 12 questions 1. How many maternal chromosomes are present in a somatic human cell not engaged in cell division?...
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This note was uploaded on 02/25/2010 for the course BSC 2010 taught by Professor Bowes during the Spring '08 term at University of Florida.

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Oct1_chapts12-13_FULL - 2n = 4 Diploid 2 copies of each...

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