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Genetics

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  • DNA has a double _______ structure
    Helix
  • how many genes do humans have?
    20,000- 25,000
  • What is a section of DNA called?
    Gene
  • What are the two different alleles?
    Dominant and recessive
  • name another base of DNA that was not mentioned
    Thymine, Guanine, Adenine, Cytosine
  • Which is the recessive trait?
    Blue eyes
  • name a base of DNA
    Thymine, Guanine, Adenine, Cytosine
  • True or false: Chromosomes contain genes
    True
  • What is the passing down of traits from generation to generation?
    Heredity
  • Where is genetic material stored in the cell?
    The Nucleus
  • If stretched out, how long is a DNA?
    1.8 M or 6 feet long
  • How many pairs of chromosomes do humans have?
    23 pairs (46 total)
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