Adaptedness of the carriers of normal and subvital second chromosomes of Drosophila melanogaster.
D000220:Adaptation, Biological; D000818:Animals; D001835:Body Weight; D002869:Chromosome Aberrations; D004331:Drosophila melanogaster / Q000033:anatomy & histology*; D005828:Genetics, Population; D006579:Heterozygote; D006720:Homozygote