Evolution Question 102
102. Basic principles of embryonic development were pronounced by
(a) Van Baer
(b) Weismann
(c) Haeckel
(d) Morgan
Show Answer
Answer : a
Hints & Solution
(a) Van Baer; 1828 put forward Baer’s law which was later called as Biogenetic law of Ernst Haeckel, 1866. The law states that “Ontogeny repeats phylogeny”. Ontogeny is the life history of an organism while phylogeny is the evolutionary history of the race of that organism.
