Biology : PU-CET (U.G) 2019 Panjab University Entrance Exam With Answers

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6.

During Metaphase -1

A: The microtubules from the opposite poles of the spindle attach to the pair of homologous chromosomes
B: The microtubules from the opposite poles of the spindle attach to the pair of non-homologous chromosomes
C: Tetravalent chromosomes align on the equatorial plate
D: The homologous chromosomes separate, while sister chromatids remain associated at their centromeres

The answer is: A

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