Biology

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Across
  1. 4. study of relationship between a living and non-living thing
  2. 8. study of heredity
  3. 9. study of cells
  4. 10. combination of genes in an organism
  5. 11. study of bacteria
  6. 12. study of viruses
  7. 15. study of organs
  8. 16. mating of 2 organism that different in only in one character
  9. 19. naming,growing and classifying living things
  10. 20. combinations of 2 same alleles
  11. 21. traits that are hidden
  12. 22. study of plants
Down
  1. 1. traits that are expressed
  2. 2. transfer of characteristics from parents to offspring
  3. 3. study of animals
  4. 5. external appearance of an organism
  5. 6. study of micro organisms
  6. 7. combination of 2 different alleles
  7. 13. container of genes
  8. 14. made up of genes located inside the nucleus
  9. 17. study of tissues
  10. 18. body chromosomes