Question

when does lyonisation takes place.​

Answer 1

Answer:

is understood that X-chromosome inactivation is a random process, occurring at about the time of gastrulation in the epiblast (cells that will give rise to the embryo). The maternal and paternal X chromosomes have an equal probability of inactivation.

Answer 2

Figure 1. Simplified ionization process where an electron is removed from an atom. Ionization is the process by which ions are formed by gain or loss of an electron from an atom or molecule.