genetics

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Across
  1. 1. Half of your DNA comes from him
  2. 3. The steps of the ladder are called like that
  3. 4. The building blocks of life
  4. 5. Half of your DNA comes from her
  5. 6. The bossy traits are called like that
  6. 7. The DNA molecule looks like a twisted one
Down
  1. 2. The shy traits are called like that
  2. 3. The sides of the DNA are called like that
  3. 6. This molecule holds all of the instructions for the cell