Parallel polymorphism for supernumerary segments in Chorthippus parall- elus (Zetterstedt). 3. The Ashurst population.
D000818:Animals; D002875:Chromosomes; D003434:Crossing Over, Genetic; D006570:Heterochromatin; D007313:Insecta; D011110:Polymorphism, Genetic; D012641:Selection, Genetic
D006570:Heterochromatin