What Are Monogenic Disorders?

Many diseases encountered in daily life are hereditary, such as monogenic disorders. Once inherited, these conditions can pose significant threats to human health. What exactly are monogenic disorders?

What Are Monogenic Disorders?

Monogenic disorders are diseases caused by mutations in a single pair of genes, and their inheritance follows Mendelian principles. If the disease-causing gene is located on an autosome and manifests in the heterozygous state, it is termed an autosomal dominant disorder. Conversely, if the disease only manifests in the homozygous state, it is classified as an autosomal recessive disorder. When the causative gene resides on the X chromosome, the condition is categorized as either X-linked dominant or X-linked recessive, depending on its mode of transmission.

To reduce the incidence of monogenic disorders in daily life, individuals should undergo premarital health examinations. Preconception carrier screening is also recommended, followed by regular prenatal testing during pregnancy. These preventive measures collectively help lower the risk of transmitting genetic disorders.

Individuals with monogenic disorders should follow a light, balanced diet rich in fresh fruits and vegetables high in vitamins. Fermented soy products (e.g., soybean paste) are beneficial due to their zinc content, which exerts antioxidant effects. Kiwifruit is also highly recommended, as it is abundant in vitamin C—a nutrient known to enhance DNA damage repair. We hope this information proves helpful to you.