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Male mouse sterility caused by heterozygous mutation of Galntl5. (A) Fertility of wild-type (WT), heterozygous mutant (Ht) males, and Ht females. (B and C) Morphological phenotypes of epididymal spermatozoa from WT and Ht mice. Arrows indicate deformed or ventral flexuous sperm from Ht mice. (D–H) Sperm counts, morphological abnormality, motility, path velocity, and progressive velocity of sperm from WT and Ht mice. Error bars show the SEMs of four mice.
