Question
Biology Question on chemical coordination and integration
Cretinism in young children is due to deficiency of:
A
vitamin D
B
calcitonin
C
growth hormone
D
thyroxine
Answer
thyroxine
Explanation
Solution
Hyposecretion of thyroxine (T4-tetraiodothyronine) in children causes cretinism (retarded growth, undeveloped sex organs, iodiocy).