As an animal ages and its hair turns white, the medulla becomes filled with a. water. b. melanin. c. air. d. fat.

Explanation:

Melanin is a type of pigment that make our hairs coloured. When ages past, this pigment is produced in minor quantities, that's why we lost that natural colour in our hair.

identify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.

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