Female (XX) mammals inherit one X chromosome from each parent, but males (XY) receive an X from their ... Most people are born with either male or female sex organs. In rare cases, individuals ...

‘They were born with an XY chromosome, which is the male chromosome, but they were born with female bodies – they have the ...

Females (XX) carry twice as many X-linked genes on their sex chromosomes as males (XY). How do cells control gene expression to manage this potentially lethal dosage problem? A prime example of X ...