Botany · 2010
NEET 2010 · Prelims · Code A · Q124
ABO blood groups in humans are controlled by the gene I. It has three alleles - I^A, I^B and i. Since there are three different alleles, six…
ABO blood groups in humans are controlled by the gene $\displaystyle I$. It has three alleles - $\displaystyle I^{\mathrm{A}}, I^{\mathrm{B}}$ and $\displaystyle i$. Since there are three different alleles, six different genotypes are possible. How many phenotypes can occur ?
Official answer
(4)
Four
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NEET (UG) 2010 Botany question, with the answer from NTA’s final answer key. Where our answers come from.