The ONLY way to produce a tiger or lion with a white coat is through inbreeding brother to sister or father to daughter; generation after generation after generation. The kind of severe inbreeding that is required to produce the mutation of a white coat also causes a number of other defects in these big cats.
A. Those little bumps are caused by keratosis pilaris, a common skin condition that usually affects the arms and thighs (although it sometimes appears on the buttocks and face, too). It's caused by a buildup of the protein keratin, which can plug a hair follicle, resulting in a bump.
Oily Skin Causes. People with oily skin often wonder what they're doing to cause the problem. They may blame it on the greasy pizza they ate last night, but the truth is they should probably blame their genes.Diet can aggravate acne, but it doesn't cause oily skin [source: WebMD ].Oily skin is hereditary -- you can change your diet or change your lifestyle, but if your mom or dad has oily skin, chances are you will, too.However, if your oily skin comes and goes, it may have less to do with genes and more to do with hormonal shifts in your body.ily Skin Causes. People with oily skin often wonder what they're doing to cause the problem. They may blame it on the greasy pizza they ate last night, but the truth is they should probably blame their genes.