Original sentence: Conversely, such a cross-over event also can result in a Y chromosome that is missing the Sex Dtermining Region ( SRY ), which contains the TDF, replaced with the corresponding sequence from the end of the X chromosome.This is called Swyer's Syndrome ( 46XY, genotypic male but phenotypic female)
Edited sentence: Conversely, such a cross-over event also can result in a Y chromosome that is missing the Sex Determining Region (SRY), which contains the TDF, replaced with the corresponding sequence from the end of the X chromosome.This is called Swyer Syndrome (46XY, genotypic male but phenotypic female)