Biology Inheritance / Variation & Genetics UHS 2023
PMDC Verified Question 33 of 94
Only those genes can assort independently whose loci are on:
A
Same chromatids
B
Same chromosomes
C
Non-homologous chromosomes
D
Homologous chromosomes
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option C: Non-homologous chromosomes
Concept:

Mendel's Law of Independent Assortment relates to how different chromosomes align and separate during meiosis.

Solution:

  • Genes assort independently during meiosis primarily when they are located on completely different, non-homologous chromosomes.
  • Because non-homologous chromosomes orient randomly at the metaphase plate during Meiosis I, the genes on them segregate independently of one another.


Why other options are incorrect:

  • Same chromosomes / chromatids: Genes located on the same chromosome are linked and tend to be inherited together, violating independent assortment (unless separated by crossing over).
  • Homologous chromosomes: Contain the alleles for the same genes, which segregate (Law of Segregation), but independent assortment refers to different genes.

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.

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