Genetics Review

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Across
  1. 6. r in rRNA
  2. 7. The physical characteristics an individual has
  3. 8. The enzyme that "unzips" DNA
  4. 11. When both genes are expressed or show up at the same time ex. Red x White = Red and White
  5. 14. the structure of DNA discovered by Watson and Crick
  6. 15. always matches with Guanine in DNA
  7. 16. two genes are different ex.Tt
  8. 18. the side rails of DNA are made up of alternating sugar and _____________
  9. 19. Austrian Monk who studied genetics using pea plants
  10. 21. When a sequence of DNA is copied into mRNA
  11. 23. A cluster of histones with its wrapped DNA is called a ______________
  12. 26. rungs of DNA are made up of nitrogenous __________
  13. 28. t in tRNA
  14. 30. the genes an individual has
  15. 31. always matches with Cytosine in DNA
  16. 32. genes that are covered or masked by dominant genes
Down
  1. 1. always matches with Adenine in DNA
  2. 2. __________ Inheritance is when a trait is controlled by more than one pair of genes
  3. 3. When mRNA is used to create proteins from amino acid codons
  4. 4. __________ Dominance occurs when the heterozygous offspring is a mix of the two original phenotypes ex. Red x White = Pink
  5. 5. In RNA, this base replaces Thymine
  6. 9. Both genes are the same ex.TT
  7. 10. The enzyme that adds new nucleotides to DNA
  8. 12. Process of producing two identical DNA strands from one parent strand of DNA
  9. 13. diagram used to predict the outcome of a particular cross or breeding
  10. 17. always matches with Thymine in DNA
  11. 20. When one pair of genes prevents or blocks the expression of another pair of genes
  12. 22. Building block of DNA made up of a pentose sugar, phosphate, and nitrogenous base
  13. 24. m in mRNA
  14. 25. type of bond between base pairs
  15. 27. DNA is wrapped around proteins called __________
  16. 29. genes that cover or mask the expression of recessive genes