B.8(B)

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Across
  1. 2. the offspring from the F1 cross.
  2. 3. organism heterozygous for a specific trait.
  3. 5. science of heredity.
  4. 7. the offspring of the P or parent cross.
Down
  1. 1. parent generation
  2. 4. passing of traits to the next generation
  3. 6. specific characteristic of an organism.