During the development of an embryo,which of | vedclass

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(B) The correct answer is $B$. During embryonic development,the process begins with the differentiation of cells (blastomeres). Initially,the blastula

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Differentiation of cells

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(B) The correct answer is $B$. During embryonic development,the process begins with the differentiation of cells (blastomeres). Initially,the blastula differentiates into various regions where specific cells are destined to form particular parts of the adult body,known as presumptive areas. Cell differentiation is the fundamental first step that precedes the formation of tissues,organs,and organ systems.

Column $I$	Column $II$
$(a)$ Third week	$(1)$ Development of pre-umbilical cord
$(b)$ Third month	$(2)$ Body develops but head remains big
$(c)$ Fourth week	$(3)$ Embryonic slit widens
$(d)$ Fourth month	$(4)$ Muscles activate

During the development of an embryo,which of the following occurs first?

Similar Questions

The hormone used to prevent abortion is .....

Match the columns:

Column $I$ Column $II$

$(a)$ Third week $(1)$ Development of pre-umbilical cord

$(b)$ Third month $(2)$ Body develops but head remains big

$(c)$ Fourth week $(3)$ Embryonic slit widens

$(d)$ Fourth month $(4)$ Muscles activate

The vascular system and excretory organs are developed from which germ layer?

The blastodisc or germinal disc refers to the protoplasm of the egg,which is restricted to a small area in:

Which of the following participate in the formation of the placenta?

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