Across
- 2. An organism that has two different alleles for a trait
- 4. different forms of a gene
- 5. chain of amino acids
- 7. all of an organism's genetic material
- 9. base that pairs with Cytosine in DNA
Down
- 1. forms of a trait
- 3. segment of DNA
- 6. single-stranded copy of DNA
- 8. change in a DNA sequence that affects genetic information