In humans, color blindness is caused by a recessive gene (c) located on the X chromosome, and normal color blindness is caused by a dominant gene (C). Determine what kind of children can be expected from the following marriages: 1) (wives) ХСХС х (husband) XcY; 2) (women) ХСХС х (husband) XcY; 3) (women) ХсХс х (husband) XCY.
1) Girls with normal color vision and color-blind boys in a 1: 1 ratio;
2) girls with normal color vision, girls with color blindness, boys with normal color vision, and boys with color blindness in a ratio of 1: 1: 1: 1;
3) girls with normal color vision, boys with normal color vision and color blind boys in a ratio of 2: 1: 1.
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