Genetics Crossword

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Across
  1. 4. a tool used to predict the possible gene combinations in the offspring
  2. 5. capital letter; over powers other traits
  3. 9. the brain of the cell; the chromosome are in here
  4. 11. the passing of traits from parent to offspring
  5. 14. purebred; two genes for a trait that are both the same
  6. 15. the "red" molecules on the side of the DNA structure that aren't connected to the nitrogen base pairs
  7. 18. thymine pairs with ______
  8. 20. alternate forms of the same gene
Down
  1. 1. a section of DNA on a chromosome that determines traits
  2. 2. a tightly wound strand of DNA
  3. 3. the study of how traits are inherited
  4. 6. lowercase letter; gets overpowered by other traits
  5. 7. the genes behind your traits
  6. 8. the nitrogen base pairs are held together by ______
  7. 10. the physical appearance of a trait
  8. 11. an organism with one dominant and one recessive gene
  9. 12. the process where DNA molecules form exact copies of themselves
  10. 13. Austrian monk who discovered how traits were inherited by studying pea plants
  11. 16. cytosine pairs with ______
  12. 17. the master copy of an organism's genetic code; the shape can be described as a double helix
  13. 19. the "white" molecules on the side of the DNA structure that are connected to the nitrogen base pairs