How does the melanin go from the stratum germinativum to the stratum corneum?

The epidermal layer. (below that is the acellular dermal layer)

The Stratum Corneum is the outermost layer of the Skin. This layer contains almost entirely Dead Cells which a free of a nucleus and lacking in most organelles. These cells are usefull for aiding...

corneum is the most superficial layer of the epidermis. the basale layer is the deepest layer of the epidermis

It is the deepest of the five layers of the skin layer epidermis, which is our outer skin. It is where the skin cells are produced, and can be called the stratum basale germination layer

No. The cells of stratum corneum contain keratin that prevents water evaporation