Which Provides the Best Example of Canalization

question 3

Multiple Choice

Which provides the best example of canalization?

• A) Twins who reach different heights in adulthood
• B) A boy born with blue eyes who now has brown eyes in adulthood
• C) A son who grows to be nearly 5 inches taller than either parent
• D) A daughter who reaches the same height as her biological mother
• E) A girl with hazel eyes who still has hazel eyes in adulthood

---

Definitions:

Visual Processing

The interpretation of visual stimuli by the brain to understand and make sense of what is seen, involving complex pathways and structures in the brain.

Cortex

The outermost layer of the brain, responsible for complex functions including memory, attention, perception, cognition, awareness, thought, language, and consciousness.

Dark Adaptation

The process by which the eyes increase their sensitivity to low levels of light, allowing for better vision in dark conditions.

Retinaldehydes

A form of vitamin A that serves as a precursor to retinoic acid, used in skincare for its anti-aging properties.