A map of the fourth chromosome of Drosophila melanogaster, based on crossing over in triploid females.
D000818:Animals; D002875:Chromosomes; D003434:Crossing Over, Genetic; D004330:Drosophila; D004331:Drosophila melanogaster; D005260:Female; D011123:Polyploidy; D057885:Triploidy
CHROMOSOMES; DROSOPHILA