Biology Inheritance / Variation & Genetics ETEA 2022
PMDC Verified Question 55 of 94
An exception to Mendel's law is:
A
Linkage
B
Dominance
C
Purity of gametes
D
Independent assortment
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option A: Linkage
Concept:

Mendel's Law of Independent Assortment assumes that the inheritance of one trait does not affect the inheritance of another.

Solution:

  • Linkage is a major exception to Mendel's laws.
  • The traits studied by Mendel happened to be controlled by genes on different chromosomes (or located very far apart), allowing them to assort independently.
  • If genes are physically linked close together on the same chromosome, they are inherited together, violating the Law of Independent Assortment.


Why other options are incorrect:

  • Dominance, Purity of gametes (Law of Segregation), and Independent assortment are the foundational principles of Mendel's work, not exceptions to it.

Quality & Fidelity Assurance: Every question on BeambePrep is rigorously curated against the official PMDC syllabus with zero filler, zero out-of-syllabus content, and zero typos. When an authentic past paper originally contained a historical mistake or ambiguity from the examining board (such as UHS or NUMS), BeambePrep faithfully reflects the original paper while detailing the nuance and scientific consensus in the autopsy above.

Previous Question All Inheritance / Variation & Genetics MCQs Next Question

Want to solve full-length papers under timed exam conditions?

Practice with zero-scroll lockdown sprints, dynamic latency zone timers, live peer selection telemetry, and the automated Amber mistake recovery loop.

Enter Arena Sprint iOS App Android App