Meiosis is the cell division needed to reproduce sexually, it produces the egg and sperm cells, which need to have half the amount of chromosomes, so that when they combine, they have the usual 46 chromosomes. All the other division, which produces identical cells of 46 chromosomes is called mitosis.
So the correct answer is:
<span>D)The number of chromosomes remains the same in mitosis and is reduced by half in meiosis.</span>
Answer:
Keratinocytes are located in the stratum basale in the epidermis and the hair follicle of the dermis. This statement is correct.
Explanation:
Keratinocytes are in the stratum basale of the epidermis, which is the deepest layer of the epidermis; from this layer, they ascend to the stratum spinosum, then to the stratum granulosum, then to the stratum lucidum if the skin is thick like the one that is in our hands or soles, and lastly they end in the stratum corneum. While the keratinocytes move from one layer to the next one, they change their characteristics.
Keratinocytes are also in hair follicles, they are similar to the keratinocytes from the dermis, but have some differences, such as their reproduction capacity.
<span>It's the third option.</span>
