Detailed portrait of a young Black man with dark curly hair and striking green eyes, against a light textured background.

Nasal Shape and Size: Highly heritable, specific genes influence the width, length, and overall shape of the nose, leading to ethnic variations. Jawline and Chin: The bone structure and density of the jaw and chin are significantly influenced by genetics, often showing strong familial resemblance. Cheekbones: The prominence and shape of the cheekbones are genetically determined, impacting facial symmetry and structure. Eye Color and Shape: Genes are responsible for eye color, and also play a role in the shape and structure of the eyes and eyelids. Lip Fullness and Shape: The size and contour of the lips are also genetically influenced traits. Skin Type and Texture: Genetic factors contribute to skin characteristics like oiliness, dryness, and susceptibility to conditions like acne, as well as the skin's texture and elasticity, which impacts aging. Hair Features: Hair color, type (e.g., straight, curly), and even features like a unibrow are genetically influenced. Specific Traits: Less common, but still genetically determined, features can include dimples or a cleft chin. A male person with the height of 6 ft See more