Evolution Question 135
135. In general, in the developmental history of a mammalian heart, it is observed that it passes through a two-chambered fish-like heart, threechambered frog-like heart and finally to fourchambered stage. To which hypothesis can this above cited statement be approximated?
(a) Hardy-Weinberg Law
(b) Lamarck’s Principle
(c) Biogenetic Law
(d) Mendelian Principles
Show Answer
Answer : c
Hints & Solution
(c) Hardy - Weinberg law is the principle of genetic equilibrium according to which in the absence of external environmental disturbances, a randomly mating population remains in genetic equilibrium. Lamarck postulated the theory of inheritance of acquired characters. Mendelian principles explained the inheritance of genetic characters from one generation to another.
