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4.Principles of Inheritance and Variation
medium
Choose correct option.
$(i)$ The heterozygous female transmit the disease to son.
$(ii)$ Change in the shape of the $RBC$ from biconcave disc to elongated sickle like structure.
$(iii)$ Mentally retarded.
$(iv)$ Heamoglobin not formed proper amount in blood.
A
Colour blindness, thalassaemia, pheny ketonuria, anaemia.
B
Haemophilia, sickle cell anaemia,Klinefelter's syndrome, thalassemia.
C
Down's syndrome, klinefelter's syndrome,colour blindness, turner's syndrome. .
D
Haemophilia, sickle cell anaemia,phenyl ketonuria, thalassaemia.
Solution
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Standard 12
Biology
