🧬 Role of Genetics in Determining Traits (Short Answer)
Genetics determines traits by passing down genes—segments of DNA—from parents to offspring. Each gene contains instructions for making proteins, which influence traits like eye color, height, or blood type.
- Alleles are different versions of a gene (e.g., for blue or brown eyes).
- Some traits are dominant (show up with one copy), others are recessive (need two copies).
- The combination of alleles (genotype) determines the trait you see (phenotype).
✅ In short: Genes → Proteins → Traits
Your inherited DNA code controls how your body develops and functions.
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