April 5

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Across
  1. 3. DNA segments that serve as the key functional units in hereditary transmission.
  2. 4. an individual's characteristic style of behaving, thinking, and feeling
  3. 6. twins from two separate zygotes, fraternal
  4. 8. threadlike structures made of DNA molecules that contain the genes
  5. 9. basic emotional style that appears early in development and is largely genetic in origin
Down
  1. 1. how much of a characteristic is determined by genetic transmission
  2. 2. developed from a single fertilized ovum, as identical twins
  3. 5. location of a person's chromosomes
  4. 6. A complex molecule containing the genetic information that makes up the chromosomes.
  5. 7. transmission of characteristics across generations by genetics