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Season 1: DNA and Chromosomes Episode 5.5: Chromosomes

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1 Season 1: DNA and Chromosomes Episode 5.5: Chromosomes
Series: Genetics Season 1: DNA and Chromosomes Episode 5.5: Chromosomes Objective: Explain the organization of chromosomes in human cells Bell Ringer: Take out your notebook and fill out you ToC

2 I. CHROMOSOMES

3 I. CHROMOSOMES A.  Human somatic cells contain 23 pairs of homologous chromosomes, or 46 total chromosomes

4 I. CHROMOSOMES A.  Human somatic cells contain 23 pairs of homologous chromosomes, or 46 total chromosomes -Homologous chromosomes have the same genes

5      a. 23 chromosomes come from mom

6      a. 23 chromosomes come from mom
     b. 23 chromosomes come from dad

7 1.  Chromosomes 1-22 are autosomes, they do not affect gender.

8 1.  Chromosomes 1-22 are autosomes, they do not affect gender.
2.  The X and Y chromosomes are sex chromosomes and DO determine gender.

9 3.  Somatic cells are diploid, they contain both sets of chromosomes.

10 3.  Somatic cells are diploid, they contain both sets of chromosomes.
4.  Gametes are haploid, they contain one set of chromosomes.

11 Season 1: DNA and Chromosomes
Series: Genetics Season 1: DNA and Chromosomes Episode 6: Meiosis Objective: Create a visual aid to help learn the stages of meiosis. Bell Ringer: Grab an article from the front desk. After reading it, in your notebook write a PARAGRAPH describing what it was about.

12


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