Across
- 3. having two identical alleles for a trait
- 6. section of DNA on a chromosome that contains instructions for making specific proteins
- 7. a characteristic that an organism can pass on to its offspring
- 10. a version of a gene
- 11. a diagram that predicts the chances of an offspring having a trait
- 12. both alleles for a trait are recessive
- 13. both alleles for a trait are dominant
Down
- 1. coiled up DNA
- 2. a version of a gene that needs only one copy to produce its trait
- 4. having two different alleles for a trait
- 5. the combination of alleles that are inherited from parents
- 8. expression of an organism's genotype
- 9. a version of a gene that needs two copies to produce its trait