Man can't have red-green color-blindness unless their is a mutation.
In general, A red/green color blind boy will not receive a color blind 'gene' from his father, even though if father is color blind, this is because father can only pass an X chromosome to his daughters. Males only gets 1 X chromosome, from mother. If that X chromosome has the gene for red-green color blindness , they more likely to have red-green color blindness.
Mutations in the OPN1LW, OPN1MW, and OPN1SW genes are responsible for of color vision deficiency . These proteins are generally produced from genes that play essential roles in color vision.
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