Here's a breakdown:

* Phenotype: The observable characteristics of an organism, such as its physical traits (e.g., eye color, height, fur color), behavioral traits, and even biochemical traits.

* Genotype: The genetic makeup of an organism, which is the underlying set of instructions for its traits.

* Relationship: The genotype determines the phenotype. The genes an organism inherits from its parents influence how it develops and ultimately what traits it exhibits.

Example:

Let's say a plant has a genotype for flower color that includes genes for both red and white flowers. The phenotype could be:

* Red flowers: If the red gene is dominant, the plant will have red flowers.

* White flowers: If the white gene is dominant, the plant will have white flowers.

* Pink flowers: If the red and white genes are codominant, the plant will have pink flowers.

So, the phenotype is the outward expression of the genotype, influenced by both the genes themselves and environmental factors.