Heredity & Evolution Crossword Puzzle

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Across
  1. 2. An impression of an object that has been buried in soil for thousands of years
  2. 4. The tightly wound structure in the nucleus that contains the DNA
  3. 8. Different forms of the same gene
  4. 9. Heredity unit in all living organisms
  5. 10. A change in the DNA at a particular location in the chromosome of an organism.
Down
  1. 1. Reptiles that was found during Jurassic age
  2. 3. A condition where one allele expresses over the other
  3. 5. A genotype consisting of same type of alleles
  4. 6. The formation of a new species
  5. 7. The father of genetics