Genetics Review

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