Single Choice

Which of the following is a sex linked character?

AWhite color blindness
BRed blue colorblindness
Correct Answer
CNight blindness
DSickle cell anaemia

Solution

Sex-linked character, an observable feature of an organism controlled by the genes on the chromosomes that determine the organism's sex.
Several traits including red-green colour blindness, arise from the interaction of genes that are located on the X chromosome.
There are three main kinds of color blindness, based on photopigment defects in the three different kinds of cones that respond to blue, green, and red light. Red-green color blindness is the most common.

So, the correct answer is 'Red blue colorblindness'

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