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Biology 15 Online
OpenStudy (anonymous):

A family has four children, two girls two boys. One girl and one boy are color-blind. Explain if their parents are color-blind and how you know. help please!

OpenStudy (anonymous):

Their parents are colorblind. Colorblindness is a recieve gene, so both parent have to carry it in order for the childern to be color blind...

OpenStudy (anonymous):

Yes both parents would need to be color blind. if it was only one parent it would have been like one of the three is is color blind.

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