Question:
Biogenetic law as given by Haeckel states that
Biogenetic law as given by Haeckel states that
Updated On: Jun 14, 2022
- ontogeny recapitulates phylogeny
- phylogeny recapitulates ontogeny
- ontogeny and phylogeny go together
- there is no relationship between phylogeny and ontogeny
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The Correct Option is A
Solution and Explanation
Ernst Haeckel (1866) called Baers law as Biogenetic law. Biogenetic law states that Ontogeny (development of the embryo) is recapitulation of phytogeny (the ancestral sequence).
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Concepts Used:
Evolution
Evolution is a process that occurs in changes in the genetic content of a population over time. Evolutionary change is generally classified into two: microevolution and macroevolution. The process of changes in allele frequencies in a population over time is a microevolutionary process. Three main mechanisms that cause allele frequency change are natural selection, genetic drift, and gene flow. On the other hand, macroevolution refers to change at or above the level of the species.