Meiosis+edit

Meiosis+edit - Chapter 6 Lecture Outline Cell Division -...

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Cell Division - Meiosis Chapter 6 Lecture Outline
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2 Meiosis Used to make gametes (sex cells) – Eggs, sperm, pollen Chromosome number is halved ( haploid ) ( monoploid )( n) Zygote (sperm/egg fused) is diploid ( 2n ) after fertilization Meiosis Fertilization Mitosis 2n n 2n 2n
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4 Meiosis Vocabulary Adult organisms – 2n - diploid # of chromosomes Humans = 46 chromosomes found in somatic cells Meiosis creates gametes with ( n ) ( monoploid ) haploid # of chromosomes/sex cell. Humans = 23 chromosomes/sex cell ( n ) ( monoploid ) ( haploid ).
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5 Meiosis Vocabulary Chromosomes constructed of duplicate sister chromatids (xerox copy) Homologous chromosomes are a set (pair) of chromosomes inherited from paternal & maternal which carry similar traits – hair color: brown vs. black.
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Homologous Chromosomes 46 chromosomes are arranged in 23 pairs (groups). One Chromosome came from each parent 22 pairs of chromosomes are autosomes Both chromosomes are homologues
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This note was uploaded on 11/16/2011 for the course BIO 101 taught by Professor Staff during the Fall '11 term at Montgomery CC.

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Meiosis+edit - Chapter 6 Lecture Outline Cell Division -...

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