2018
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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P(2) phenotype
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P1(k) phenotype
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P2(k) phenotype
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P null phenotype
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Detailed explanation-1: -A 65-year-old man from Gujarat who is a heart patient has been identified with EMM negative blood group, making it India’s first and world’s tenth case of unique blood group which cannot be categorized into the existing groups of ‘A’, ‘B’, ‘O’ or ‘AB’.
Detailed explanation-2: -EMM Negative Blood Group is the first distinct blood type in India. Only 9 persons in the entire globe have the rarest blood type as of today, but a 65-year-old man from Rajkot, Gujarat, has been found to have it.
Detailed explanation-3: -The most common blood group among the Indian population is O+ that is present in approximately 35% of the population.
Detailed explanation-4: -Jka was the first antigen to be discovered by Kidd blood group system, subsequently, two other antigens Jkb and Jk3 were found. Agarwal et al.
Detailed explanation-5: -In molecular history, type A appears to be the ‘oldest’ blood type, in the sense that the mutations that gave rise to types O and B appear to stem from it. Geneticists call this the wild-type or ancestral allele.