If one of these cells contributes to the genetic makeup of a child, the child will have an extra X chromosome in each of her cells. In some cases, trisomy X occurs during cell division in early embryonic development. Some females with triple X syndrome have an extra X chromosome in only some of their cells. These cases are called 46,XX/47,XXX mosaics.
For other uses, see Taiga (disambiguation). Taiga (/ËtaÉªÉ¡É/; Russian: ÑÐ°Ð¹Ð³Ð°Ì; IPA: [tÉjËÉ¡a]; from Turkic) also known as boreal forest or snow forest, is a biome characterized by coniferous forests consisting mostly of pines, spruces and larches. The taiga is the world's largest biome apart from the oceans.
Taiga Soil The taiga is the largest land biome on earth, it covers some of Canada, Alaska, Europe, Asia, and most of Russia. The word taiga is Russian for ...Between the tundra to the north and the deciduous forest to the south lies the vast expanse of the taiga, also known as the coniferous or boreal forest ;the largest biome in the world and the second largest forest in the world, with only the great Siberian forest exceeding it in size.aiga Soil The taiga is the largest land biome on earth, it covers some of Canada, Alaska, Europe, Asia, and most of Russia. The word taiga is Russian for the ...