X chromosome inactivation: See: X inactivation.
Unlike the gene-poor Y chromosome, the X chromosome contains over 1,000 genes that are essential for proper development and cell viability. However, females carry two copies ...
TABLE OF CONTENTSm; Click: 1A). Overview. 1B). X Chromosome Inactivation 1C). "Simplification" of the mechanism X inactivation 1D). The Medical Importance of X Chromosome ...
Placental mammals need to achieve rough parity in gene expression between male (XY) and female (XX) cells, and they solve this dilemma by inactivating one X chromosome in ...
However, as embryonic development proceeds, X-chromosome inactivation begins again. But this time it is entirely random. There is no predicting whether it will be the ...
X-inactivation (also called lyonization) is a process by which one of the two copies of the X chromosome. present in female. mammal. s is inactivated.