The agouti gene is important in its coloration in some animals and different forms of melanin color it in people.
Fetuses possess a type of this called lanugo. This develops from a structure with a root sheath and important stages in its growth are catagen and anagen. Like skin, the MC1R gene is important in determing one property of it and (*) DHT can cause a decrease in the amount present. The agouti gene is important in its coloration in some animals and different forms of melanin color it in people. Like nails, this material is made from keratin. This grows from follicles. For 10 points, name this material, a unique characteristic of mammals, which in humans is most prominently seen on the head.
Fetuses possess a type of this called lanugo. This develops from a structure with a root sheath and important stages in its growth are catagen and anagen.
{hair} [or {fur}]