A : The morula passes through the phase of co | vedclass

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(C) The morula undergoes compaction to form the blastocyst,which consists of two distinct cell types: the outer layer called the trophoblast and the i

Vedclass · Accepted Answer

Assertion is correct,but Reason is incorrect.

Vedclass · Answer

(C) The morula undergoes compaction to form the blastocyst,which consists of two distinct cell types: the outer layer called the trophoblast and the inner group of cells known as the inner cell mass (embryoblast).The trophoblast cells eventually form the extra-embryonic membranes (like the chorion) and the placenta,while the inner cell mass differentiates into the embryo proper.Therefore,the Assertion is correct as it describes the formation of these two cell types,but the Reason is incorrect because the inner cell mass forms the embryo,not the trophoblast.

$A$ : The morula passes through the phase of compaction,producing two major types of cells: the peripheral cells and the inner cell mass.
$R$ : The descendants of the inner cell mass become the trophoblast cells.

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$A$ : The morula passes through the phase of compaction,producing two major types of cells: the peripheral cells and the inner cell mass.$R$ : The descendants of the inner cell mass become the trophoblast cells.