Menex 237d

ἐξελέξατο δὲ τῶν ζῴων καὶ ἐγέννησεν ἄνθρωπον,
she chose for herself from the animals and gave birth to man.
should not the preposition ek be repeated before the gen in prose?
is this the gen. of source?

well, maybe the preposition may not be repeated with the gen of source even in prose.