A Trait That Represents a Reversion to an Ancestral State

question 52

Multiple Choice

A trait that represents a reversion to an ancestral state is known as a(n) ____________.

• A) vestigial trait
• B) atavistic trait
• C) ancestral characteristic
• D) homeotypical characteristic

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Definitions:

Cancer Cells

Abnormal cells that divide uncontrollably, can invade nearby tissues, and may spread to other parts of the body through the bloodstream and lymph system.

Lymphatic System

A network of vessels, nodes, and organs that helps to maintain the body's fluid balance and protect it from infections by filtering and moving lymph.

Monokines

Signaling molecules primarily released by monocytes, involved in inflammatory and immune responses.

Lymphokines

Substances produced by certain cells of the immune system that affect other cells' activities, playing a role in the body's immune response.