there are 30 bones in fore arm some people have one or two extra fingers right then for them the bones number gets changed and the total bones i.e 206 changes. am i right??????? 

Dear student, 

Such condition is known as Polydactyl, its a condition of congenital physical anomaly occur in humans where a baby born with an additional fingers or toes. The extra digit is mainly a small piece of soft tissue that can be removed. It do not act as a complete functioning digit but it contains bone without joints.

Regards.

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i too have this same doubt
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