Prairie. Prairies are ecosystems considered part of the temperate grasslands, savannas, and shrublands biome by ecologists, based on similar temperate climates, moderate rainfall, and a composition of grasses, herbs, and shrubs, rather than trees, as the dominant vegetation type.
Triple X Syndrome (47,XXX) Triple X Syndrome is a genetic disorder that alters the sex chromosomes. The X chromosome, along with the Y chromosome, determine the sex of an individual. Most males have only one X chromosome and one Y chromosome, while most females have two X chromosomes.
1. Turner syndrome (XO)-- These females are monosomic and only have one sex chromosome (the X chromosome). 2. Klinefelter syndrome (XXY)--These males are trisomic and contain two X chromosomes along with a Y chromosome. 3. Triplo-X (XXX) âThese females are trisomic and contain three copies of the X chromosome. 4.