Chapter 12 Lesson 2 Vocabulary Words

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  1. Define Heredity
    The passing of physical characteristics, or traits, from parents to offspring.
  2. Define Genetics
    The scientific study of heredity.
  3. Define Fertilization
    The process in sexual reporoduction in which an egg cell and a sperm cell join to form a new cell.
  4. Define Purebred
    The offspring of many generations that show the same form of a trait.
  5. Define Alleles
    The different forms of a gene.
  6. Define Dominant Allele
    One whose trait always shows up in the organism when the allele is present.
  7. Define Recessive Allele
    An allele that is hidden whenever the dominant allele is present.
  8. Define Hybrid
    An offspring of crosses that has two different alleles for a trait.
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Chapter 12 Lesson 2 Vocabulary Words

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