Genetics Review

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