The answer is; glucose
It is a 6 carbon ring simple sugar and is the most abundant monosaccharide in the body. Its levels in the body are referred to as blood sugars. Larger carbohydrates consumed in the diet are broken down to glucose utilized in respiration (Glycolysis and Krebs cycles) to produce the energy required by the cells. Plants, on the other hand, manufacture carbohydrates in photosynthesis.
Pioneer species, I think.
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
