Answer:
Because males are never carriers for x-linked trait, only females are carriers which gives them a lower chance of receiving the trait. While males can either have the trait or not have it.
B. oxygen is the final step
ADH acts on the "principal cells" to regulate facultative water reabsorption. ADH regulates facultative water reabsorption, through increasing the water permeability of the principal cells and reducing the urine produced .
The most internal layer of the epidermis is the stratum basale which contains melanocytes. Melanocytes produce melanin to protect the DNA. The cells of the stratum basale are the only cells that are capable of cell division. The stratum basale is attached to the underlying dermis. The stratum spinosum is superficial to the stratum basale. Stratum granulosum is superficial to the struatum spinosum. The stratum granulosum is three to five layers thick and contains keratohyalin granules, which produce keratin, a water proof protein.Stratum lucidum is superficial to stratum granulosum, but only in thick skin, which is on the palms and soles. Stratum corneum is about 25 cells thick and is the most superficial layer. It is dead and the cells are completely filled with keratin, which is waterproof. The many layers of dead skin protect from abrasion and are the first line of defense against any foreign bacteria, debris or virus.
The answers would be a Circular pattern
