Gender, genetic disorders only inherited chromosome that affects male. Men with XYY chromosome inheritance-the extra Y-detect their species as XYY, they are usually quite high (i. E., over 6 feet) and usually appear and proceed as usual. During adolescence, they often have severe acne scars on the face. They are usually rich and ordinary life, leading to an adult. Many if not most do not know they have abnormalities of the chromosome. The frequency of symptoms as XYY are uncertain due to the statistical differences between the study of different types of this condition. It may be as together as 1 in 900 people born in male as rare as 1 in 1500 or 1 in 2000.