In the developmental history of mammalian heart, it is obse…

Biology Evolution Skill Builder Single Correct MCQ

Published on: August 21, 2026

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?

Biogenetic law

Hardy - Weinberg law

Lamarck's principle

Mendelian principle

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The theory of recapitulation or Biogenetic law was given by Ernst Haeckal. It states that an individual organism in its development (ontogeny) tends to repeat the stages passed through by its ancestors (phylogeny), i.e., ontogeny recapitulates phylogeny.

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