A couple with normal vision have two sons, one colour blind and one with normal vision. What are the genotypes of parents and sons. If the couple also have daughters, what proportion of them will have normal vision. Represent it in the form of a cross.
Please find below the solution to the asked query
|XC||XCXC (Colour blind daughter)||XCX (Normal visioned daughter)|
|Y||XCY (Colour blind son)||XY (Normal visioned son)|
If the couple also has daughters, then one of them (25% of the total progeny) will have normal vision.
Hope this information will clear your doubts about the topic.
If you have any more doubts just ask here on the forum and our experts will try to help you out as soon as possible.