The transfer of antibodies from a pregnant mother to her fetus is a type of

Naturally acquired passive immunity

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Artificially acquired active immunity

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Artificially acquired passive immunity

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Naturally acquired active immunity

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Solution

The correct option is B Naturally acquired passive immunity
Naturally acquired passive immunity is a type of antibody-mediated immunity conveyed to a fetus or infant by its mother. In humans, maternal antibodies are passed through the placenta to the fetus by an FcRn receptor on placental cells.
So, the correct option is 'naturally acquired passive immunity'.

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Similar questions

	LIST I		LIST II
a	Natural active immunity	i	Develops due to to vaccinaton
b	Natural passive immunity	ii	Antirabies serum
c	Artificial active immunity	iii	Acquired after smallpox infection
d	Artificial passive immunity	iv	Transferred from mother to child

Differentiate the following and give examples of each

Innate and acquired immunity

Active and passive immunity

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