The Y chromosome acts as a dominant inducer of male phenotype and individuals having four X chromosomes and one Y chromosome 49XXXXY are phenotypically male. Stevens NM A study of the germ cells of certain Diptera with reference to the heterochromosomes and the phenomenon of synapsis.
Women with three X chromosomes 47XXX experience normal development of sexual traits and are fertile. Gene prediction with a hidden Markov model and a new intron submodel.
This is a preview of subscription content, log in to check access. Andina RJ A study of X chromosome regulation during oogenesis in the mouse. Chromosoma — A karyotype picture may also be included in the report. DNA methylation restrains transposons from adopting a chromatin signature permissive for meiotic recombination.
J Cell Biol — Bioinformatics 19ii—ii Lechner, M. The non-sex feature X-linked genes are also responsible for male pattern baldness. Access through your institution. Research suggests, however, that in a few births per thousand some individuals will be born with a single sex chromosome 45X or 45Y sex monosomies and some with three or more sex chromosomes 47XXX, 47XYY or 47XXY, etc.
Temporal genomic evolution of bird sex chromosomes. In: Wolff S ed Sister chromatid exchange. Avian W and mammalian Y chromosomes convergently retained dosage-sensitive regulators.