Genetics

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Across
  1. 3. alternative forms of a gene for each variation of a trait of organism
  2. 6. a condition in which both alleles for a gene are fully expressed
  3. 10. A cross between two organisms in which two traits are being considered.
  4. 12. An organism's physical appearance, or visible traits.
Down
  1. 1. Pair of chromosomes that are the same size, same appearance and same genes
  2. 2. The passing of traits from parents to offspring
  3. 4. A cross between two individuals, concentrating on only one definable trait
  4. 5. The scientific study of heredity
  5. 7. An organism's genetic makeup, or allele combinations.
  6. 8. A diagram that shows the occurrence of a genetic trait in several generations of a family.
  7. 9. An organism that has two different alleles for a trait
  8. 11. An organism that has two identical alleles for a trait
  9. 13. All children look like the parent if it is this.