In What Way Might Gene Duplication Play a Role in Evolution

question 3

Essay

In what way might gene duplication play a role in evolution?

---

Definitions:

Limbic System

An intricate network of nerves and pathways in the brain, encompassing multiple regions close to the cortex's boundary, is responsible for handling instinct and mood. It governs fundamental emotions like fear, pleasure, and anger, as well as primal urges such as appetite, reproductive behavior, dominance, and parental care.

Amygdala

A brain structure involved in the processing of emotions, particularly fear and pleasure.

Hippocampus

A critical brain structure located in the temporal lobe, involved in the formation of new memories and connected to learning and emotions.

Cerebral Cortex

The outer layer of the cerebrum, involved in complex brain functions such as thought, language, and consciousness.