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4.Principles of Inheritance and Variation
medium
Sickle-cell anaemia happens due to ...$A$... mutation in which ...$B$... of haemoglobin is affected.
Fill the correct option for $A$ and $B$
A
$A-$point; $B-$ $\beta$-chain
B
$A-$chromosomal; $B-\alpha -$chain
C
$A-$allele; $B-\alpha -$chain
D
$A-$non-allele; $B-$chain
Solution
$A-$point; $B-$ $\beta$-chain
Standard 12
Biology
Similar Questions
:Match the columns :
Column $I$ |
Column $II$ |
$(a)$ Sickle cell anaemia | $(x)$ Homogentisic acid |
$(b)$ Alkaptonuria | $(y)$ Melanin pigmentsare absent |
$(c)$ Albinism | $(z)$ More amount of phenyl alanine |
$(d)$ Phenyl Ketonuria | $(w)$ Defective haemoglobin |
easy