. . "chromatin found only in female cells; \"the presence or absence of sex chromatin in cells obtained by amniocentesis makes it possible to determine the sex of a fetus\""@en-us . "105435855"^^ . . . "05435855-n"^^ . "sex chromatin"^^ . "sex chromatin"@en-us . "0"^^ . . . "105124053"@en-us . "0"^^ . . . .