syngenesis

/S IH1 N JH EH1 N AH0 S AH0 S/
noun
  1. 1

    (genetics) The genetic origin of an individual derived from material from both parents (by sexual reproduction).

  2. 2

    Descent from a common ancestor.

  3. 3

    (historical, biology) The theory that the germ formed by the union of spermatozoon and ovum contains the germs of all future generations.