The scientific name for color blindness is congenital color vision disorder, which refers to the inability to distinguish between various colors or certain colors in the natural spectrum. Color blindness is divided into total and partial color blindness. Red-green color blindness is the most common form of partial color blindness and is more prevalent in males than females. Some people can see the colors that normal people see, but have poor color discrimination, which is called color blindness. Red-green colorblindness is a recessive form of congenital colorblindness that is inherited in a consanguineous manner. Scientists have found that red-green colorblindness depends on two pairs of genes on the X chromosome, the red-blind gene and the green-blind gene. Since these two pairs of genes are closely interlocked on the X chromosome, red and green colorblindness often appear at the same time, manifesting as red-green colorblindness. Given that red-green colorblindness is recessive, it only manifests as color blindness when both X chromosomes carry the color blindness gene in females. If only one X chromosome carries the color blindness gene, the woman behaves normally. However, because she carries the disease-causing gene, she is called a carrier. A male with only one X chromosome, on the other hand, will show color blindness if he carries the color blindness gene. Therefore, males are far more likely to have color blindness than females. From the above theory, if a normal female marries a colorblind male, the male’s colorblind gene can be passed on with the X chromosome to their daughter (i.e., a carrier), producing a son who is normal. The daughter then passes the color-blind gene from her father to her son. If a colorblind female marries a normal male, both sons will be colorblind and the daughters will be carriers. In cases where one parent carries the gene for color blindness, it may be wise to have a girl. The impact of color blindness on life Red-green color blindness is a common disorder. Patients grow up without the ability to discriminate colors normally and should not be noticed, often only during medical examinations. Because people with red-green colorblindness cannot distinguish between red and green, they are not suitable for jobs that require high color vision, such as art, textiles, printing and dyeing, and chemicals.