Skip to main content
. Author manuscript; available in PMC: 2019 Jul 2.
Published in final edited form as: Med Res Arch. 2019 Feb 18;7(2):10.18103/mra.v7i2.1898. doi: 10.18103/mra.v7i2.1898

Figure 1. Four Core Genotypes Model:

Figure 1.

FCG mice are produced by breeding XX wild-type females with XYSry gonadal males that have deletion of the testis-determining gene Sry from the Y chromosome and insertion of a Sry transgene into an autosome. FCG mice allow comparison to detect the phenotypic effects of sex hormones (Sry present or absent) or sex chromosomes (XX vs. XY). Adapted from.57