EvolutionHard
Question
In general, in the developmental history of a mammalian heart, it is observed that it passes through a two-chambered fish-like heart, three- chambered frog-like heart and finally to four - chambered stage. To which hypothesis can this above cited statement be approximated ?
Options
A.Hardy-Weinberg law
B.Lanarck′s principle
C.Biogenetic law
D.Mendelian principles
Solution
Biogenetic law was propounded by Ernst Haeckel in 1866. According to this, during its development an animal passes through ancestral adult stages.
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