Diffferentiate phenotype and genotype.

Explanation

### Step-by-Step Solution:

1. **Definition of Phenotype**:
- Phenotype refers to the observable physical characteristics or traits of an organism. This includes features such as height, color, shape, and other visible traits. For example, in plants, traits like tallness, dwarfness, flower color, and flower position are all part of the phenotype.

2. **Definition of Genotype**:
- Genotype is the genetic constitution of an organism. It represents the specific alleles (versions of a gene) that an organism possesses. For instance, a plant may have a genotype that includes alleles for tallness (T) or dwarfness (t).

...