Across
- 3. The process describing the fusion of the sperm and egg cell
- 6. A physical characteristic
- 8. Together with a pentose sugar and base make up a nucleotide
- 9. The allele which is always expressed
Down
- 1. Made of two identical strands of chromatin. There are 23 pairs in humans
- 2. A pair of alleles together
- 4. The longest phase of the cell cycle
- 5. this type of bond hold the two strands together
- 7. Where DNA is stored in a cell
- 9. A double stranded polymer found in the nucleus