Question:
What is Atavism?
What is Atavism?
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Remember: Atavism = Reappearance of ancestral traits.
Updated On: Mar 18, 2026
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Solution and Explanation
Concept:
Atavism is related to the reappearance of ancestral traits in organisms.
Step 1: Definition.
Atavism is the phenomenon in which traits or characteristics of distant ancestors reappear in an organism after being absent for several generations.
Step 2: Examples.
Step 3: Conclusion.
Thus, atavism represents the re-expression of ancestral features due to genetic factors.
Step 1: Definition.
Atavism is the phenomenon in which traits or characteristics of distant ancestors reappear in an organism after being absent for several generations.
Step 2: Examples.
- Appearance of a tail in humans
- Extra nipples in humans
Step 3: Conclusion.
Thus, atavism represents the re-expression of ancestral features due to genetic factors.
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