One primary oocyte containing 46 doubled chromosomes yields only one ovum containing 23 unpaired chromosomes.

Question

Quizplus · Accepted Answer

During meiosis in females, the primary oocyte undergoes two divisions to produce one ovum and three polar bodies. Each division results in the reduction of the chromosome number by half. Therefore, the initial 46 paired chromosomes become 23 unpaired chromosomes in the mature ovum.

One Primary Oocyte Containing 46 Doubled Chromosomes Yields Only One