A bifid penis (or double penis) is a rare congenital defect where two genital tubercles develop.
Many species of male marsupials have a naturally bifurcated penis, with left and right prongs that they insert into multiple vaginal canals simultaneously.
XXYY syndrome is a sex chromosome anomaly where males have two extra chromosomes: one X and one Y. Typically, human cells contain two...
XXXY syndrome is a genetic condition marked by an abnormal number of sex chromosomes, where individuals have two additional X...
XXXXY syndrome , also referred to as 49,XXXXY syndrome or Fraccaro syndrome , is a very rare aneuploidic sex chromosomal disorder. It...
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