Biology

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Across
  1. 2. a pair of sister chromatids together during cell division
  2. 3. pair/is two chemical bases bonded to one another
  3. 5. C one of the four nucleobases
  4. 10. have 23 pairs of these
  5. 11. of two halves of a replicated chromosomes
  6. 12. the basic physical and functional unit of heredity.
  7. 14. Acid/what does dna stand for
Down
  1. 1. two different alleles of a particular gene or genes.
  2. 4. one of the two purine nucleobases
  3. 6. basic building block of nucleic acids
  4. 7. information
  5. 8. position on a chromosome
  6. 9. genetic information of an organism
  7. 12. code/set of rules used by living cells to translate information
  8. 13. one of two or more versions of a gene