DNA and Inheritance

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Across
  1. 2. The study of heredity and the variation of inherited characteristics.
  2. 5. Having two different alleles for a particular gene.
  3. 7. Tightly coiled DNA found in the nucleus.
  4. 9. Specific characteristics or features of an individual.
  5. 11. The process of the egg and sperm joining together.
  6. 15. Having two identical alleles for a particular gene.
  7. 16. The process of change in species over time.
  8. 17. An allele that is only expressed when two copies are present.
  9. 18. A group of similar organisms that can reproduce to produce fertile offspring.
  10. 19. Male reproductive cell.
  11. 20. Differences in characteristics among individuals of the same species.
  12. 21. A change in the DNA sequence.
  13. 22. Each of the two strands of a chromosome.
  14. 24. Short sections of DNA that determine inherited characteristics.
  15. 26. The father of modern genetics who studied pea plants.
  16. 27. Genetic material found in all living cells.
  17. 30. The genetic makeup of an organism.
Down
  1. 1. The physical appearance of an organism.
  2. 3. Traits or features of an organism.
  3. 4. The children or young of a particular parent or family.
  4. 6. The passing of traits from parents to offspring.
  5. 8. The basic building block of DNA.
  6. 10. Helix The twisted structure of DNA.
  7. 12. The process by which new organisms are produced from existing organisms.
  8. 13. The passing of characteristics from parents to offspring.
  9. 14. The central part of a cell where DNA is located.
  10. 23. An allele that is always expressed when present.
  11. 25. Different forms of a gene.
  12. 28. Female reproductive cell.
  13. 29. Every person has this type of DNA unless they are identical twins.