12.2 vocab

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Author:
AdrianaN
ID:
206848
Filename:
12.2 vocab
Updated:
2013-03-12 17:15:44
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chapter 12
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Description:
to study for chapter 12 test
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  1. what is genitics?
    the scientific study of heredity.
  2. What is heredity?
    is the passage of physical characteristics, or traits from parent to offspring.
  3. what is fertilization?
    process where a new organism begins to form when egg and sperm cells join.
  4. what is purebred?
    is the offspring of many generations that show the same form of a trait.
  5. what is alleles?
    are the different forms of a gene.
  6. what is a dominate allele?
    is the one whose trait always shows up in the organism when the allele is present.
  7. what is a ressive allele?
    is hidden whenever the dominate allele is present.
  8. what is a hybrid?
    an organism that has two different alleles for a trait?

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