Genetics - MidTerm Crossword Puzzle

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Across
  1. 3. Trait can be hidden by a dominant trait
  2. 4. This type of inheritance in reflected in skin color
  3. 5. When more than the usual 2 alleles are present
  4. 7. Gene X causes the expression of Gene Y. This is an example of?
  5. 12. Mutation that results in a reduced or absent gene product
  6. 13. A different version of a gene
  7. 15. A protein that lowers the activation required for a chemical reaction
  8. 16. Type of dominance when there is a blending of traits and a totally new trait is observed
  9. 17. The offspring of two different allelic varieties
  10. 18. Y Chromosomes are not homologous with X chromosomes; as such, the Y chromosome is considered?
Down
  1. 1. Enzyme that degrades fructose
  2. 2. An x-linked blood disorder common in males
  3. 4. The first identified male case of an inherited disease in a family
  4. 6. A picture of all chromosomes matched up and helps to show abnormalities
  5. 8. An allele with a + as a superscript means the allele is considered?
  6. 9. Mutation that causes multiple phenotypic effects
  7. 10. Trait is one that can hide a recessive trait
  8. 11. In cattle, a red x white incompletely dominant steer
  9. 14. a percentage of folks that phenotypically express a mutant allele