Genetics Crossword Puzzle

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Across
  1. 3. when both traits show up in an organism when heterozygous (ex: a bird with red and gray spots on their wings)
  2. 6. the passing of traits from parent to offspring
  3. 9. when an organism has two different alleles for a trait (ex: Tt)
  4. 13. an allele whose trait always shows up in the organisms when the allele is present; represented with an uppercase letter
  5. 14. a tool used to determine the probability of offspring inheriting specific alleles/traits
  6. 15. the combination of alleles that an animal has (ex: Tt)
Down
  1. 1. when an organism has two identical alleles for a trait (ex: TT or tt)
  2. 2. when both traits blend in an organism that is heterozygous to make a new phenotype (example: wide tails and medium tails make medium width tails)
  3. 4. different forms of genes which can cause different forms of proteins, which lead to variations in a trait
  4. 5. an allele that is hidden whenever the dominant allele is present; represented with a lowercase letter
  5. 7. the way an individual looks for a specific trait (ex: Tall)
  6. 8. the differences within a trait
  7. 10. the study of heredity
  8. 11. a characteristic or feature of an organism
  9. 12. a certain region of a chromosomes that cause a certain protein to be made; is sometimes related to a certain trait