| A | B |
|---|
| Genotype | An organism's genetic makeup, or allele combinations (BB, Bb, bb) |
| Phenotype | An organism's physical appearance (brown eyes, blue eyes) |
| Transcription | The DNA is copied to mRNA. Takes place inside the nucleus. |
| Translation | The mRNA's message from the DNA is used to put amino acids in the correct order. |
| Replication | DNA makes identical copies of itself. |
| Homozygous | Both alleles are the same (AA or aa) |
| Heterozygous | One allele is dominant and one is recessive (Aa) |
| Codon | the 3-letter mRNA code that is translated to amino acids. |
