🔬 Biology · Human Reproduction · NEET

The first meiotic division of the primary oocyte is completed only at ovulation and produces a secondary oocyte plus a:

Answer: First polar body.

A Pair of spermatids
B Second polar body
C First polar body
D Diploid zygote

Correct answer: C. First polar body

Explanation: The primary oocyte completes meiosis I just before ovulation, giving an unequal secondary oocyte and a small first polar body.

Sagittal section of the human male reproductive system showing the testis, epididymis, vas deferens, seminal vesicle, prostate gland, bulbourethral gland, urethra, urinary bladder and penis

The human male reproductive system: sperm formed in the testis mature in the epididymis and travel via the vas deferens, mixing with secretions of the seminal vesicle, prostate and bulbourethral glands. Image: Wumingbai, CC BY-SA 4.0, via Wikimedia Commons.

Concept context

Male and female reproductive systems, gametogenesis, fertilization, implantation, pregnancy, and reproductive health.

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The first meiotic division of the primary oocyte is completed only at ovulation and produces a secondary oocyte plus a:

Concept context

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