A M Roberts. Show Affiliations »
Abstract
Entities: Species
Keywords: Biological Characteristics; Biology; Genetics; Genetics, Population
Mesh: See more » CoitusFemaleFertilizationHumansMaleModels, BiologicalPregnancyProbabilitySex RatioSperm MotilitySpermatozoaTwins, DizygoticX ChromosomeY Chromosome
Year: 1978 PMID: 565360 DOI: 10.1017/s0021932000011597
Source DB: PubMed Journal: J Biosoc Sci ISSN: 0021-9320