People who have albinism appear white because they cannot synthesize the pigment , so they have an increased susceptibility to .

Explanation:

Albinism, meaning "white,"  

-Is a group of heritable conditions linked with low or absent melanin in ectoderm-derived tissues.

ectoderm-derived tissue -most notably the skin, hair, and eyes, yielding a characteristic pallor. The most commonly thought of presentation is that of oculocutaneous albinism (OCA).

Melanin is a pigment producing compound  and it is responsible for determining the colour of skin and hair.

They have an increased susceptibility to Albinism and  various genetic abnormalities and congenital defects.

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