Genetics

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Across
  1. 3. a chart which shows different phenotypes in a family tree
  2. 5. all the genes in an organism
  3. 9. a specific characteristic in an individual
  4. 12. the reproductive cell of an organism
  5. 13. two of these must be present to get a certain feature
  6. 14. a DNA molecule with the genetic material of an organism
  7. 16. a single cell released from the ovaries which can develop into a new organism when fertilized
  8. 17. when 2 alleles are the same
  9. 18. only one of these must be present to get a feature
Down
  1. 1. determines a feature or trait
  2. 2. different forms of the same gene
  3. 4. the code of the alleles
  4. 6. contains an allele but not the feature
  5. 7. organisms whose genetic code is identical
  6. 8. when 2 alleles are different
  7. 10. the male gamete
  8. 11. what the organism looks like, this depends on the genotype
  9. 15. a change in the DNA sequence of an organism