Genes and Heredity

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Across
  1. 3. reproduction involving two parent cells.
  2. 6. the basic unit of heredity; a segment of DNA on a chromosome that codes for a specific trait
  3. 7. a trait that is expressed only when two alleles are present.
  4. 8. Deoxyribonucleic acid; the genetic material that carries information about an organism and is passed from parent to offspring.
  5. 9. a number that describes how likely it is that an event will occur.
  6. 10. the different forms of a gene.
  7. 12. an organism’s genetic makeup or allele combinations (ex: BB, Bb, or bb).
  8. 13. a characteristic that an organism can pass on to its offspring through its genes.
  9. 14. a double rod of condensed chromatin in the nucleus that contains DNA
  10. 15. offspring of crosses between two different parents with different traits
  11. 17. having two of the same alleles for a trait.
  12. 18. the scientific study of heredity
Down
  1. 1. an organism’s physical appearance or visible trait (ex: brown eyes, brown eyes, blue eyes).
  2. 2. the "Father of Genetics"
  3. 4. the passing of traits from parents to offspring.
  4. 5. reproduction involving only one parent cell
  5. 9. offspring of many generations that have the exact same traits.
  6. 11. having two different alleles for a trait.
  7. 16. a trait that is always expressed in the phenotype of an organism.