Chapter 12.2

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Anonymous
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206691
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Chapter 12.2
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2013-03-12 09:40:03
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  1. What is genetics?
    The scientific study of heredity.
  2. What is fertilization?
    A new organism begins to form when egg and sperm cells join.
  3. Heredity 
    is the passing of physical characteristics, or traits, from parents to offspring.
  4. What is Purebred?
    It is the offspring of many generations that show the same form of a trait. 
  5. What is Alleles?
    They are the different forms of a gene.
  6. What is a Dominant Allele?  
    One whose trait always shows up in the organism when the allele is present.
  7. What is Recessive Allele? 
    Is hidden whenever the Dominant Allele is present.
  8. What is a hybrid?
    An organism that has two different alleles for a trait.

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