Freemartins

  • In animal husbandry, cattle that are born exhibiting characteristics of both sexes are called freemartins.
  • Freemartins are sterile female cattle that result from the twinning of a male and a female within the same uterus.
  • This phenomenon occurs in approximately 90% of such twin pregnancies in cattle.
  • The key reason behind the phenomenon is the exchange of blood between the male and the female foetuses during gestation.
  • Genetically, freemartinism is attributed to the sharing of cells carrying the Y chromosome from the male twin with the female twin.
  • This chromosome triggers the development of male reproductive organs ....
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