In which stratum of the epidermis are new cells formed

the basal cell layer is also known as the stratum germinativum due to the fact that is consistantlygerminating(producing) new cells.the basal cell layer contains cells called melanocytes

answer; the male's sperm cells have mitochondria, but because the sperm contributes dna but no cytoplasm, no mitochondria are passed to the egg at ferilization;