Studies of somatic tissues and cultured cells, including fibroblast clones, from human embryos heterozygous for the electrophoretic variants of glucose 6 phosphate dehydrogenase confirm that one X chromosome is inactivated very early in embryonic development and indicate that X inactivation has occurred in the majority of cells from a variety of tissues at least by 5 wk from conception.
|Original language||English (US)|
|Number of pages||7|
|Journal||American Journal of Human Genetics|
|Publication status||Published - 1975|
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