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(B) During spermatogenesis,one primary spermatocyte undergoes meiosis to produce $4$ functional spermatozoa.Therefore,$2$ primary spermatocytes will p

Vedclass · Accepted Answer

$4$:$1$

Vedclass · Answer

(B) During spermatogenesis,one primary spermatocyte undergoes meiosis to produce $4$ functional spermatozoa.Therefore,$2$ primary spermatocytes will produce $2 	imes 4 = 8$ spermatozoa.During oogenesis,one primary oocyte undergoes meiosis to produce only $1$ functional ovum (and $2-3$ polar bodies which degenerate).Therefore,$2$ primary oocytes will produce $2 	imes 1 = 2$ ova.The ratio of spermatozoa to ova produced is $8:2$,which simplifies to $4:1$.

If two primary spermatocytes and two primary oocytes undergo meiosis simultaneously,what will be the ratio of spermatozoa and ova produced at the end of the gametogenesis?

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