English

Noun

thelygeny ‎(uncountable)

1. (zoology, reproduction) The production of only female offspring.
   • 1982, Graham Bell, The Masterpiece of Nature :: The Evolution and Genetics of Sexuality, page 441:

     If monogeny is determined exclusively by a cytoplasmic factor, then it is easy to see that the factor will either die out (if it causes arrhenogeny) or will become fixed and thereby sterilize the population (if it causes thelygeny).

   • 2012, R. Reinboth, Intersexuality in the Animal Kingdom:

     Both series of experiments show the possibility of an experimental induction for intersexuality and thelygeny.

   • 2012, Rigomar Rieger, Glossary of Genetics: Classical and Molecular, page 335:

     monogeny — the production of only male (“arrhenogeny”) or female (“thelygeny”) offspring.

Derived terms

• thelygenous

Antonyms

• arrhenogeny

Hypernyms

• monogeny