. Analysis of development. Embryology; Embryology. Gametogenesis, Fertilization and Parthenogenesis 195 collisions are ineffective owing to such factors as "muzzling" of the spermatozoa by fertili- zin in solution, necessity for particular orien- tation of sperm head to egg surface, etc. While this analysis involves several assump- tions, of which the authors are well aware, it represents an excellent approach to the solution of this perplexing problem. The present author, too, is inclined to favor the view that the block to polyspermy may be established mvich more slowly than is gen
GLIX-115-RN9EM3
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. Analysis of development. Embryology; Embryology. Gametogenesis, Fertilization and Parthenogenesis 195 collisions are ineffective owing to such factors as "muzzling" of the spermatozoa by fertili- zin in solution, necessity for particular orien- tation of sperm head to egg surface, etc. While this analysis involves several assump- tions, of which the authors are well aware, it represents an excellent approach to the solution of this perplexing problem. The present author, too, is inclined to favor the view that the block to polyspermy may be established mvich more slowly than is gen