Genetics

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Across
  1. 3. Threadlike structure carrying genetic information
  2. 5. Different form of a gene
  3. 6. A permanent change in DNA sequence
  4. 7. Observable traits of an organism
  5. 9. Molecule involved in protein synthesis
  6. 10. Having two identical alleles for a trait
  7. 13. Basic unit of heredity
  8. 14. Trait that masks another trait
  9. 15. Trait expressed only when two copies are present
  10. 17. Offspring produced from two different varieties
  11. 18. Complete set of genetic material in an organism
Down
  1. 1. Molecule that carries genetic instructions
  2. 2. Organism with identical genetic material to another
  3. 4. Type of cell division for growth and repair
  4. 6. Cell division that produces gametes
  5. 8. The passing of traits from parents to offspring
  6. 11. Genetic makeup of an organism
  7. 12. Segment of DNA that codes for a trait
  8. 16. Three-nucleotide sequence that codes for an amino acid