Kim Kardashian, most notable for her role in a sex tape with her boyfriend Ray-J, has been rumored to have buttock implants, however some in the plastic surgery community argue that her ample asset may just be a case of genetics.
While genetics is believed to be the primary factor determining whether a man loses his hair or not, there are several conditions that may cause accelerated hair loss, though the direct correlations are still being studied.
Since genetics play a role in how your body responds to certain exercises, you may be able to firm your rear, but you can't always change the shape of your backside, regardless of how many butt exercises you perform.
Some theories about the causes of autism look to environmental factors while others focus on genetics as the source of the developmental disorders, and others see a possible combination of genetic predisposition and environmental triggers.
Because of the uneven distribution of enzyme deficiency based on race and ethnic heritage, especially in lactose intolerance, genetics are believed to play a role in the cause of primary carbohydrate intolerance.