Biology Crossword Puzzle

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Across
  1. 2. when a gene does not produce a certain trait due to a dominant gene being present
  2. 4. the likelihood of an event to occur
  3. 5. a picture of a cell's chromosomes (from largest to smallest)
  4. 7. when an individual inherits different alleles of a gene
  5. 9. a special type of cell division
  6. 10. when one egg splits into two eggs
  7. 13. characteristics of a organism
  8. 15. the process of fertilizing an egg
  9. 17. organisms produced by a living thing
  10. 18. when a cell has paired chromosomes
  11. 19. alternate forms of a gene
Down
  1. 1. an organism's set of heritable genes
  2. 3. when an individual inherits the same alleles gene from both parents
  3. 6. when each gamete inherits only one copy of each chromosome
  4. 8. observable characteristics
  5. 11. reproductive cells
  6. 12. when a cell only has one set of chromosomes
  7. 14. when two separate eggs develop at the same
  8. 16. when both alleles are simultaneously present
  9. 18. when a gene is produces a certain trait