Diploid vs haploid
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DIPLOID VS. HAPLOID PowerPoint PPT Presentation


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DIPLOID VS. HAPLOID. DIPLOID. HAPLOID. Diploid = 2(n) In humans: n=23 chromosomes 2(n)= 46 total chromosomes 2 sets of each chromosomes Somatic cells are diploid Body Cells (nerve, muscle, bone, etc.). Haploid = n In humans: n= 23 chromosomes Only 23 chromosomes total

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DIPLOID VS. HAPLOID

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DIPLOID VS. HAPLOID

DIPLOID

HAPLOID

  • Diploid = 2(n)

  • In humans:

    • n=23 chromosomes

    • 2(n)= 46 total chromosomes

  • 2 sets of each chromosomes

  • Somatic cells are diploid

    • Body Cells (nerve, muscle, bone, etc.)

  • Haploid = n

  • In humans:

    • n= 23 chromosomes

    • Only 23 chromosomes total

  • 1 set of each chromosome

  • Gametes are haploid

    • Sex Cells (Sperm & Egg)


Cell Division

Mitosis vs. Meiosis


Mitosis

Purpose:

  • For growth and repair

  • Type of Asexual reproduction for some unicellular organisms


Mitosis

Takes place in somatic cells (body cells).


Mitosis

Starts diploid (2n) and ends diploid (2n).

One cell division


Mitosis

One parent makes 2 daughter cells that are identical to the parent

No genetic variation


Phases of Mitosis

Prophase

Metaphase

Anaphase

Telophase


Meiosis

Purpose:

  • Creation of gametes (reproductive/ sex cells)


Meiosis

Takes place in gametes (sexcells).


Meiosis

Starts diploid (2n) and ends haploid(n).

2cell divisions


Meiosis

  • One parent makes 4 daughter cells that are genetically different to the parent

  • Creates genetic variation

    • Crossing over of chromosomes is what allows for genetic variation


Phases of Meiosis

Prophase I & II

Metaphase I & II

Anaphase I & II

Telophase I & II


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