Foetal sex can be determined by examining cel | vedclass

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(A) Amniotic fluid contains foetal cells that can be examined to determine the presence of sex chromatin,known as $Barr$ bodies.The presence of a $Bar

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Barr bodies

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(A) Amniotic fluid contains foetal cells that can be examined to determine the presence of sex chromatin,known as $Barr$ bodies.The presence of a $Barr$ body indicates that the developing foetus is female,as it possesses two $X$ chromosomes ($XX$ genotype),where one $X$ chromosome is inactivated and condensed into a $Barr$ body.Male foetuses ($XY$ genotype) do not possess $Barr$ bodies.

Column $I$	Column $II$
$(A)$ First month	$(i)$ Separation of eyelids
$(B)$ Second month	$(ii)$ Hairs on head
$(C)$ Fifth month	$(iii)$ Heart
$(D)$ Sixth month	$(iv)$ Limbs and digits

Foetal sex can be determined by examining cells from the amniotic fluid by looking for

Similar Questions

Match the months listed in Column $I$ with the organogenesis of the foetus in Column $II$.
Column $I$ Column $II$
$(A)$ First month $(i)$ Separation of eyelids
$(B)$ Second month $(ii)$ Hairs on head
$(C)$ Fifth month $(iii)$ Heart
$(D)$ Sixth month $(iv)$ Limbs and digits

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The blood flowing in the umbilical cord is:

All extra-embryonic membranes:

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