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In the developmental history of mammalia...

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

Biogentic law

B

Hardy -Weinberg law

C

Lamarck's principle

D

mendelian principle

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The correct Answer is:
A
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