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