Home Biology Evolution Biological Evolution and its Mechanism In the developmental history of mammalian he…
Biology Evolution Biological Evolution and its Mechanism Single Correct MCQ
Published on: August 23, 2026

In the developmental history of mammalian heart, it is observed that it passes through a two chambered  ishlike 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
Lamarck’s principle
C
Hardy-Weinberg law
D
Mendelian principles

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The correct answer is:
A

(a)

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