Genetics crossword

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Across
  1. 4. physical characteristics of an organisms
  2. 7. Genetic trait which only expresses phenotype when in homozygous; hides when dominant allele is present
  3. 8. A genetically determined characteristics
  4. 10. one of a number of different forms of a gene
  5. 11. having identical alleles of a gene
  6. 12. The science of heredity and of the mechanisms by which traits are passed from parents to offspring
Down
  1. 1. Analysis of sections of DNA that have little or no known function, but vary widely from one individual to another
  2. 2. Having different alleles of a gene
  3. 3. allele with genetic trait mostly expressed
  4. 5. A segment of DNA That is located in a chromosome and that codes for a specific hereditary trait
  5. 6. genetic makeup of an organism
  6. 9. The passing of genetics traits from parent to offspring.