no other human chromosome cosegregated with 22 in these clones , suggesting that this enzyme is specified in hybrid cells by a locus ( or loci ) on a single chromosome . beta-galactosidase ( b-gal ) expression was analyzed with two different electrophoresis systems and with a number of cell extract preparation methods in 39 of the primary hybrid clones .
C1708726
loci
C0008633
chromosome