Across
- 2. gene that is expressed equally with another version of the same gene
- 5. constricted region of a chromosome that joins sister chromatids during cell division
- 7. gene that is expressed over a recessive allele
- 8. two different alleles
Down
- 1. observable characteristics of an organism
- 3. carries genetic information in the form of genes
- 4. deoxyribonucleic acid
- 6. a change in the DNA sequence of an organism