Genetics Review

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