Wednesday, December 14, 2011

In a family, the father and mother have normal red-green color vision. Red-green color blindness is a -link?

The mother is heterzygous for color blindness having one X with normal vision and one X with color blind gene. The father has an X with normal vision gene and a Y with no gene for color vision. The son gets a Y chromosome from the father and the X chromosme with the color blind gene from the mother. The daughter could be XX with both genes for normal vision or helterzygous with one gene for normal and one gene for color blind.

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