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机译:An unusual form of purifying selection in a sperm protein
apr3@psu.eduRooney AP, Penn State Univ, Inst Mol Evolutionary Genet, University Pk, PA 16802, USA;
Protamine; Arginine; Selection; Nucleotide composition bias; Protamine p1 genes; Nucleotide substitutions; Evolution; Genome; Organization; Sequences; Numbers; Cells;