WEBVTT

00:00.067 --> 00:01.433
Though sex is determined

00:01.467 --> 00:02.800
at fertilization,

00:02.833 --> 00:04.867
external genitalia can now

00:04.900 --> 00:05.867
be distinguished

00:05.900 --> 00:07.267
as male or female.