Well, put simply, biology is the study of life. Everything living is organic (everything living decomposes). Biologists study living things which have organic chemistry.
The answers are the following:
- composed of DNA: Both
- blue eye trait: Recessive
- takes precedence over the other: Dominant
- codes for physical traits: Both
- brown eye trait: Dominant
- expressed only when present in both parents: Recessive
Most likely a hydrogen bond?
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