Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test General Science Biology Genetics and Evolution
Point mutation causes substitution of one amino acid with another. Which of the following substitution causes sickle-cell anaemia?
1
Valine to Glutamic acid
2
Glutamic acid to Valine
3
Valine to Glutamine
4
More than one of the above
5
None of the above