Genetics

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Across
  1. 3. homozygous trait
  2. 7. parental generation
  3. 10. lower case letter
  4. 12. A diagram that shows the inheritance of a trait through generations. It looks like a "family tree" that shows the inheritance of the trait.
  5. 13. types AB,A,B,O
  6. 17. Mix or blend ; 3 phenotypes
  7. 18. genetic makeup
  8. 19. characteristic
  9. 20. upper case letter
Down
  1. 1. past down
  2. 2. 1:2
  3. 4. basic unit of heredity
  4. 5. several forms of a gene
  5. 6. single trait influenced by many genes
  6. 8. after generation 1
  7. 9. Tt
  8. 11. both alleles expressed equally; 3 phenotypes
  9. 14. TT
  10. 15. square 4 squared table
  11. 16. appearance of trait