© 2015 Macmillan Publishers Limited. All rights reserved ducts, one of which can form the
uterus and Fallopian tubes, and the other the male internal genital plumbing: the …

The difference between men and women could be getting smaller, according to a paper that
describes a function for female hormones (oestrogens) in the male reproductive tract. Mice …

© 2002 Macmillan Magazines Ltd ous, this is not a classic case of sexual role reversal—the
females still take on most of the burden of parental care. Hrdy, who is now an emeritus …

Cell sex matters | Nature Skip to main content Thank you for visiting nature.com. You are using
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In most mammals, male development is triggered by the transient expression of the Y-
chromosome gene, Sry, which initiates a cascade of gene interactions ultimately leading to …

EACH sex is part of the environment of the other sex. This may lead to perpetual coevolution
between the sexes, when adaptation by one sex reduces fitness of the other. Indirect …

A powerful approach for identifying mammalian primary (gonadal) sex determination genes
is the molecular genetic analyses of sex reversal conditions (that is, XX individuals with …

Mutations in SOX9 are associated with male-to-female sex reversal in humans 1, 2. To
analyze Sox9 function during sex determination, we ectopically expressed this gene in XX …

Mammalian sex determination is governed by the presence of the sex determining region Y
gene (SRY) on the Y chromosome 1. Familial cases of SRY-negative XX sex reversal are …

IN mammals, induction of male sex determination requires the Y-chromosome gene SRY 1.
SRY encodes a protein with a central'high mobility group'domain (HMG box) of about 78 …