Based on your understanding of genetic c | Class 12 Biology Chapter Molecular Basis of Inheritance, Molecular Basis of Inheritance NCERT Solutions

Question:

Based on your understanding of genetic code, explain the formation of any abnormal hemoglobin molecule. What are the known consequences
of such a change?

Answer:

Due to point mutation in β- globin chain of haemoglobin molecules, glutamic acid (Glu) is replaced by valine (Val) at the sixth position. Under the stress or tensioned condition erythrocytes lose their circular shape or we can say its original shape and become sickle- shaped. As a result, the cells cannot lead through narrow capillaries. Blood capillaries gets clogged and thus this affects blood supply to different organs.  


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Welcome to the NCERT Solutions for Class 12 Biology - Chapter . This page offers a step-by-step solution to the specific question from Excercise 0 , Question 7: Based on your understanding of genetic code, explain the formation of any abnormal hemoglobin molecu....