The answer is the Xist RNA, x-inactive specific transcript is a gene on the X chromosomes of the placental mammals that acts as a major effector of the X inactivation process. Non coding RNA is a functional RNA molecule that is transcribed from DNA but not translated into proteins.
Near the Earth's surface, the sunlight that does reach the ground warms the Earth, which in turn warms the air immediately above it. So the troposphere is warmest next to the warm ground, and cooler higher up away from the warm ground.
Mitosis allows organisms to generate genetic diversity.
Eukarya is the domain containing all organisms with eukaryotic cells.
