title: A close look at urbisexuality.
authors: John
authors: J
authors: Travis
mesh_terms: D000818:Animals; D005075:Biological Evolution; D002454:Cell Differentiation; D015509:Developmental Biology; D004625:Embryo, Nonmammalian / Q000166:cytology / Q000502:physiology; D047108:Embryonic Development; D044127:Epigenesis, Genetic; D005260:Female; D015870:Gene Expression; D005854:Germ Cells / Q000166:cytology / Q000502:physiology; D008297:Male; D010063:Ovum / Q000166:cytology; D012098:Reproduction; D013094:Spermatozoa / Q000166:cytology; D013234:Stem Cells / Q000166:cytology / Q000502:physiology