Genetics Crossword Puzzle

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Across
  1. 2. The basic unit of heredity
  2. 3. Different forms of a gene
  3. 5. The physical apperance of an organism
  4. 7. The building blocks of dna
  5. 9. Sections of dna that code for traits
  6. 10. An organism with two different alles
  7. 12. A change in dna sequence
  8. 13. The passing of traits from parents to offspring
  9. 14. A dominant trait masks this type
Down
  1. 1. a recessive trait only shows when two of these are present
  2. 4. The genetic makeup of an organism
  3. 6. A chart used to predict genetic outcomes
  4. 8. The shape of dna
  5. 11. An orgnism with two indentical alles
  6. 12. The person known as the father of genetics