Genetics Quiz #1

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Across
  1. 4. having two of the same alleles
  2. 6. a version of a gene
  3. 8. a portion of DNA that codes for a protein that is expressed into a trait
  4. 9. an organism's combination of alleles for a trait
  5. 11. the phenomenon of the egg and sperm combining randomly
  6. 13. when homologous chromosomes exchange alleles during prophase I
Down
  1. 1. having two different alleles
  2. 2. pair of chromosomes from your parents that carry different alleles for the same genes
  3. 3. when homologous chromosomes line up independently during metaphase I of meiosis I
  4. 5. the father of modern genetics
  5. 7. a cross of two parents who each have two alleles for one trait
  6. 10. a fertilized egg
  7. 12. an organism's physical expression of a trait; what they look like