Genetics Review

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