Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) In the development history of mammalian heart, it is observed thatit passes through a tow chambered fish like heart, three chambered frog like heart and finally four chambered stage. To which hypothesis can this above cited statement be approximated - Sarthaks eConnect

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

In the development history of mammalian heart, it is observed thatit passes through a tow 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.

Mendelian principle

C.

Biological law

D.

Hardy Weinberg law