Across
- 4. Different forms of a gene for a single trait
- 5. A segment of DNA that determines a trait
- 6. A type of nitrogenous base with one ring
- 8. The monomer of DNA
- 10. An organism that is not purebred
Down
- 1. The living organism used by Gregor Mendel to discover the patterns of inheritance
- 2. A genotype consisting of two different alleles
- 3. The complete set of genes in a species
- 7. The molecule of inheritance
- 9. One of the bases of DNA that bonds with adenine