Figure 10From: Onset of meiosis in the chicken embryo; evidence of a role for retinoic acidExpression of Retinoic acid receptor β (RARβ) during gonadal development in chicken embryos, assessed by whole mount in situ hybridisation. RARβ is expressed in both gonads of both sex throughout development, except in females, where expression declines in the right gonad (arrow).Back to article page