The level of sexual dimorphism depends on the environment where Silene latifolia grows. We are looking for QTL based on a cross between plants from dry and wet environments, with a special interest to QTL that localise on the sex chromosomes.
Lines with large and small flowers (good for females and males, respecively) have been generated by artificial selection. Gene expression differences between those lines should reveal the first genes that respond to such sexually antagonistic selection.
Incomplete penetrance of sex determination in frogs, and achiasmatic meiosis in males, allows for interesting possibilities in the evolution of a new sex chromosome.
Sequencing of only the Y chromosome is possible through the generation of haploid embryos in frogs.
Fluorescent in-situ hybridisation in M. annua.
Gene expression in experimentally evolved D. pseudoobscura lines under high and low sexual selection.