The changes that cause Prader-Willi syndrome occur on the pair known as chromosome 15. The 23rd chromosome pair is designated as the sex chromosome pair This pair determines the babyâs sex: XX for a girl, XY for a boy.
(In the metric system, a milligram is a unit of weight equal to one-thousandth of a gram, and a deciliter is a unit of volume equal to one-tenth of a liter.) Muscular young or middle-aged adults may have more creatinine in their blood than the norm for the general population.
âºâº Definition: Microgram. The SI prefix micro represents a factor of 10-6, or in exponential notation, 1E-6. So 1 microgram = 10-6 grams-force. âºâº Definition: Milligram. The SI prefix milli represents a factor of 10-3, or in exponential notation, 1E-3. So 1 milligram = 10-3 grams-force. âºâº Metric conversions and more