How does xx/xy mosaicism occur?

Question

in true hermaphroditism there are 2 cell lines in the body,XY and XY combination.it is told that is due to a non dysjunction in mitosis of the early embryoblast.but a embryoblast cell has either xx or xy chromosomal combination.

Answer 1

Mosaicism may result from a mutation during development which is propagated to only a subset of the adult cells.^_^

this should help:

http://en.wikipedia.org/wiki/Mosaic_%28g...