A married couple adopted a male child. A few years later, twin boys were born to them. The blood group of the couple is AB positive and O negative. The blood group of the three sons is A positive, B positive, and O positive. The blood group of the adopted son is?

[UPSC Civil Services Exam – 2011 Prelims]

(a) O Positive

(b) A Positive

(c) B Positive

(d) Cannot be determined on the basis of the given data

Answer: (a)

Explanation:

Here, the blood group of the couple is AB positive and O negative, then their biological sons blood group must be A or B. Hence we can say that the blood group of the adopted son is O positive.

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Categories

Which one of the following Schedules of the Constitution of India contains provisions regarding anti-defection?

The provisions in Fifth Schedule and Sixth Schedule in the Constitution of India are made in order to

Under which Schedule of the Constitution of India can the transfer of tribal land to private parties for mining be declared null and void?

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Categories

Which one of the following Schedules of the Constitution of India contains provisions regarding anti-defection?

The provisions in Fifth Schedule and Sixth Schedule in the Constitution of India are made in order to

Under which Schedule of the Constitution of India can the transfer of tribal land to private parties for mining be declared null and void?

The Ninth Schedule was introduced in the Constitution of India during the prime ministership of

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Download
Neyyar App