abstract:A metamale (or supermale) is a low viability Drosophila fruit fly with a male phenotype in which the ratio of X chromosomes to sets of autosomes (A) is less than 0.5.
N
a sterile male organism, esp a fruit fly (Drosophila) that has one X chromosome and three sets of autosomes 繁殖力强盛的雄性有机体; 尤指有1个X染色体和3个正染色体的果蝇 (Former name supermale)
[genetics]