Science Crossword Puzzle

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Across
  1. 3. A person who carries a type of gene
  2. 5. All of the people born and living at about the same time
  3. 6. Found in the nucleus of a living cell
  4. 9. Powerful trait
  5. 16. A genetic disease marked by abnormal fragility and plasticity of bone
  6. 18. Shows the results of the offspring
  7. 19. Probable
  8. 20. The genetics that the living thing
  9. 22. Study of the heredity
  10. 23. Opposite of dominant
Down
  1. 1. Ff
  2. 2. The stock of different genes in an interbreeding population
  3. 4. When cancer runs down the family
  4. 7. Genetic disorder where you are missing an x or y chromosome
  5. 8. Homozygous
  6. 10. Having to many chromosomes
  7. 11. tt
  8. 12. Genetic disorder where you get colorblindness
  9. 13. Tt
  10. 14. Physical feature of living thing
  11. 15. A kind of breeding in which the parents with a particular phenotype produce offspring only with the same phenotype
  12. 17. Molecule that carriers the genetics of the living cell
  13. 18. Bred from parents of the same breed or variety
  14. 21. A unit of heredity that is transferred from a parent to offspring