Answer:
Explanation:
The color of our hair, skin, and eyes is determined by the same thing: the amount of pigment they have. The pigment that causes dark hair, skin, and eyes is called melanin. Melanin is made in special cells in the body called melanocytes.
1.- down syndrome
2.- Turners syndrome
3.- sickle-cell anemia
4. sickle-cell trait
5.- Klinefelter syndrome
so they can find out what type of fossil it was
