1
NEET 2026
MCQ (Single Correct Answer)
+4
-1
Which one of the following disorders is caused by the substitution of Glutamic acid (Glu) by Valine (Val) at the sixth position of the beta globin chain of the haemoglobin molecule?
2
NEET 2026
MCQ (Single Correct Answer)
+4
-1
What is the probability of having children with 'O' blood group, where both mother and father are heterozygous for ' $\underline{\mathrm{A}}$ ' and ' $\underline{\mathrm{B}}$ ' blood group, respectively?
3
NEET 2026
MCQ (Single Correct Answer)
+4
-1
In a population of a grasshopper species, the chromosome number of some members is 23 and some other members possess 24 chromosomes. The 23 and 24 chromosome-bearing members in this species are $\_\_\_\_$ .
4
NEET 2025
MCQ (Single Correct Answer)
+4
-1
What is the pattern of inheritance for polygenic trait?
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