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The disease sickle-cell anaemia is caus...

The disease sickle-cell anaemia is caused by the substitution of `overset("(i)") "____"` by `overset("(ii)") "____"` at the `overset("(iii)") "____"` position of `overset("(iv)") "____"` globin chain of haemoglobin molecule
Which of the following correctly fills the blanks in the above statements ?

A

(i) valine, (ii) glutamic acid, (iii) sixth, (iv) beta

B

(i) glutamic acid, (ii) valine, (iii) sixth, (iv) beta

C

(i) glutamic acid, (ii) valine, (iii) fifth, (iv) beta

D

(i) valine,(ii) glutamic acid, (iii) fifth, (iv) beta

Text Solution

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The correct Answer is:
B
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In sickle - cell anaemia , the defect is caused by the substitution of ……..(i) ……….by ………(ii) ………..in the ………(iii)………position of the beta - globin chain of the haemoglobin molecule.

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Fill up the blanks in the following paragraph by selecting the correct option. overset((i))"____" are the primary female sex organs that produce overset((ii))"____" and overset((iii))"____" . Each primary sex organ is about overset((iv))"____" in length and is connected to the pelvic wall and uterus by overset((v))"____"

Consider the following statements each one or two blanks (A) Lippes loops is a overset("i")"___" while multiload 375 is a overset("ii")"___" IUD (B) Surgical methods of contraception are also called as overset("iii") "___" methods (C) High MMR and IMR play a significant role in overset("iv") "____" human population Which one of the following options, gives the correct fill ups for the respective blank numbers from (i) to (iv) in the above statements ?

Sickle-cell anaemia is caused by a substitution mutation. At this sixth position of haemoglobin, ………... due to this mutation

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NCERT FINGERTIPS-PRINCIPLES OF INHERITANCE & VARIATION-Principles Of Inheritance & Variation
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