Viability of homokaryotypes in the tumorous-head strain of Drosophila melanogaster.
D000818:Animals; D002875:Chromosomes; D004330:Drosophila; D005111:Extrachromosomal Inheritance; D005260:Female; D006801:Humans; D007621:Karyotyping; D008297:Male; D008423:Maternal Age; D011110:Polymorphism, Genetic