Across
- 2. Having two different alleles for a gene.
- 6. The genetic makeup of an organism; the alleles it carries.
- 7. Having two identical alleles for a gene.
- 8. Mendel’s principle stating that allele pairs separate during gamete formation in meiosis.
- 9. Different versions of the same gene.
Down
- 1. The observable traits or characteristics of an organism.
- 3. An allele whose trait is masked in heterozygotes.
- 4. An allele whose trait is expressed in heterozygotes.
- 5. A DNA-containing structure that holds many genes.
- 6. A reproductive cell (egg or sperm) containing one allele for each gene.