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In the developmental history of mammalian heart, it is observed that it passes through a two...

In the developmental history of mammalian heart, it is observed that it passes through a two chambered fish like heart, three chambered frog like heart and finally four chambered stage. To which hypothesis can this above cited statement be approximated?

(a) Lamarck’s principle

(b) Mendalian principles

(c) Biogenetic law

(d) Hardy Weinberg law.

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