Find $\sum _ { j = 1 } ^ { 3 } \sum _ { i = 1 } ^ { j } i _ { j }$

question 65

Short Answer

Find $\sum _ { j = 1 } ^ { 3 } \sum _ { i = 1 } ^ { j } i _ { j }$ .

---

Definitions:

Heredity

The passing of genetic traits from parents to offspring, which is the foundation of genetics.

Traits

Distinguishable characteristics or qualities, especially of one's personal nature.

Phenotype

The visible features or qualities of an organism, which emerge from the combination of its genetic makeup and environmental influences.

Trait Expression

The manifestation of a specific trait in an organism as determined by its genetic makeup and environmental influences.