genetics test review 2021

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Across
  1. 3. have both of the same alleles
  2. 4. when both alleles are expressed
  3. 8. the study of heredity
  4. 10. a square that helps you find the percentages for different traits a offspring might have based in the DNA of its parents
  5. 11. the physical characteristics of a thing
  6. 14. a trait passed from parent to offspring
  7. 15. a trait represented using a upper case letter
  8. 17. looks like a twisted ladder and is made of sugar and phosphate
  9. 18. a specific characteristic
Down
  1. 1. a threadlike structure that holds genes
  2. 2. when you have two different alleles
  3. 5. one of two forms of a gene variant represented by a uppercase or lowercase letter
  4. 6. a segment of DNA
  5. 7. acid used in both DNA and RNA
  6. 9. the process of passing down characteristics genetically
  7. 12. tells cells what proteins to make
  8. 13. the genetic characteristics of a thing
  9. 16. the trait represented by a lowercase letter and that will not be seen if a dominant trait is present