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.

Consider the following statements:                                                                   The Parliament of India can place a particular law in the Ninth Schedule of the Constitution of India. The validity of a law placed in the Ninth Schedule cannot be examined by any court and no judgement can be made on it. Which of the statements given above is/are correct?

Consider the following statements:                                               

Read More »

Consider the following statements:                                                         The Parliament of India can place a particular law in the Ninth Schedule of the Constitution of India. The validity of a law placed in the Ninth Schedule cannot be examined by any court and no judgement can be made on it. Which of the statements given above is/are correct?

Consider the following statements:                                               

Read More »
Loading...
Left Menu Icon