Unformatted text preview: gonadal sex, somatic sex and sexual orientation. sex chromosomes The chromosomal basis of sex determination in humans was recognized when metaphase chromosomes from dividing male and female cells could be studied and counted. The normal karyotype contains 46 chromosomes including either two X chromosomes (46XX, females) or one X chromosome and one Y chromosome (46XY, males). Individuals with 45X or 47XXX karyotypes are female, individuals with 47XXY karyotype are male. Therefore it can be deduced that the Y chromosome is sex determining...
View Full Document
This note was uploaded on 11/22/2011 for the course CHEMISTRY CHM1025 taught by Professor Laurachoudry during the Fall '10 term at Broward College.
- Fall '10