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6.Evolution
normal
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
Biogenetic law
B
Hardy Weinberg law
C
Lamarck's principle
D
Mendelian principle
(AIPMT-1998)
Solution
It's Obvious
Std 12
Biology
