An Identical Twin Results When a Cell from a Blastopore

question 40

Short Answer

An identical twin results when a cell from a blastopore stage (or earlier) embryo separates and develops on its own. How is it that the left-behind developing embryo can lose a cell and still develop normally?

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Definitions:

Concrete Operational

A stage in Piaget's theory of cognitive development during which children gain the ability to think logically about concrete events.

Formal Operational

The final stage in Piaget's theory of cognitive development, beginning around age 11, where individuals gain the ability to think abstractly and logically about hypothetical situations.

Prefrontal Cortex

The front part of the frontal lobes of the brain, involved in complex behaviors such as planning, decision making, and moderating social behavior.

Amygdala

A component of the brain's limbic system involved in emotion regulation, decision-making, and memory processing, particularly known for its role in fear responses.