DNA

123456789
Across
  1. 1. everyone has their own unique
  2. 4. used in punnet squares
  3. 8. a word for things slightly changing over time
  4. 9. everything revolves around
Down
  1. 2. you go from dna to rna
  2. 3. different letter pairs
  3. 5. same letter pairs
  4. 6. we are made up of
  5. 7. dna gets turned into rna