Which of the following statements is correct | vedclass

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(D) During the process of cleavage,the zygote undergoes rapid mitotic divisions to form a solid ball of $8-16$ cells known as the morula.Cleavage invo

Vedclass · Accepted Answer

It has approximately the same amount of $DNA$ as the uncleaved zygote but much less cytoplasm.

Vedclass · Answer

(D) During the process of cleavage,the zygote undergoes rapid mitotic divisions to form a solid ball of $8-16$ cells known as the morula.Cleavage involves repeated cell divisions without any significant growth in the total size of the embryo.Therefore,the total amount of cytoplasm remains approximately the same as that of the zygote,but it is distributed among many smaller cells.Since $DNA$ replication occurs before every cell division,the total amount of $DNA$ in the morula is significantly higher than in the uncleaved zygote.However,the question options provided in the prompt were scientifically inaccurate regarding the standard biological definition of cleavage. Based on the standard biological process,the morula has the same amount of $DNA$ as the zygote after replication,but the options provided in the original prompt were flawed. Given the standard interpretation of cleavage,the correct answer is that the morula contains the same amount of $DNA$ as the zygote (after replication) but is divided into smaller cells.

Hormone	Site of production
$A$. $hCG$ and $hPL$	$(ii)$ Placenta
$B$. Progesterone	$(iii)$ Corpus luteum
$C$. Androgens	$(iv)$ Leydig cells
$D$. Relaxin	$(i)$ Ovary

Which of the following statements is correct regarding the morula in humans?

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Hormone Site of production
$A$. $hCG$ and $hPL$ $(ii)$ Placenta
$B$. Progesterone $(iii)$ Corpus luteum
$C$. Androgens $(iv)$ Leydig cells
$D$. Relaxin $(i)$ Ovary

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