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Colour Blind Woman (Short Note)

Persons suffering from colour blindness have difficulty in distinguishing red from green. It is common trait and more common in males than females. It is because Y chromosome is inert for this trait in males. Only one gene of this trait will render a colour blind man. In case of woman it must have two genes for this trait to become colour blind. There are rare cases of colour blindness in women.

This trait of colour blindness can easily be detected by using special charts made up of a number of coloured dots so arranged that colour blind persons see different pattern than other persons do.

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