Which of the following conditions is often used as an example of an X-linked recessive disorder?

Color blindness is commonly cited as a classic example of an X-linked recessive disorder. This means that the gene responsible for the condition is located on the X chromosome, and since males have only one X chromosome, they are more likely to express the trait if they inherit a recessive allele for color blindness. In contrast, females have two X chromosomes, so they would need to inherit the recessive allele from both parents to express the condition, making it less common in females.

In cases of color blindness, the genes involved are typically related to the perception of colors, and mutations in these genes can lead to various forms of color vision deficiency. Such disorders are inherited in a pattern that is consistent with X-linked recessive genetics, where males are predominantly affected. This ability to identify patterns of inheritance underlines the importance of genetic knowledge in fields such as medicine and biology.