NEET Biology question

If the foetus is Rh+ and mother is Rh-, then

(A)Foetus will transmit antigen to mother bloodCorrect
(B)Foetus will transmit antibody to mother blood
(C)Foetus is attacked by antibodies to mother blood
(D)Foetus is attacked by antigen to mother blood

Answer: (A)

Solution

During pregnancy or especially at delivery, small amounts of the Rh-positive foetus's blood (carrying the Rh antigen) can enter the Rh-negative mother's circulation, exposing her immune system to the foreign Rh antigen and triggering antibody production (sensitization),

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Question ID VK-119667