Genetics Review

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