Crossword

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Across
  1. 6. having two different alleles
  2. 7. scientific study of heredity
  3. 8. square chart that shows combinations of alleles
  4. 10. segment of dna
  5. 12. characteristics an organism can pass on
  6. 13. passing of physical or mental characteristics
Down
  1. 1. having two identical alleles
  2. 2. genotype that includes a gene
  3. 3. a trait that is covered over
  4. 4. organisms physical appearance
  5. 5. expressed in a person
  6. 8. diagram that shows genetic trait
  7. 9. different forms of genes
  8. 10. allele combinations
  9. 11. change in gene