Fig. 1From: Comparative cytogenetic analysis of marine Palaemon species reveals a X1X1X2X2/X1X2Y sex chromosome system in Palaemon elegans Metaphase plates of P. elegans (a) female and (b) male. Meiotic diakinesis of P. elegans (c) female and (d) male; the arrow shows the sex trivalent. (e) Meiotic diakinesis of P. serratus male. The bar equals 10 µmBack to article page