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If the origin of life broadly conforms to the Oparin-Haldane model, then early in life's origin...

If the origin of life broadly conforms to the Oparin-Haldane model, then early in life's origin there was not a distinction between genotype and phenotype. Describe at least two features that distinguish genotype from phenotype. At what stage in the evolution of life would it have been possible to make this distinction? Explain your answer.

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According to the Oparin -Haldane model, life have originated gradually from the "in-organic molecules". At that time there was no difference between genotype and phenotype. The two feature that separate genotype from the phenotype are:

I. Genotype is the genetic constituent of the organism and phenotype describe the physical appearence of the organism.

II. Phenotype of the organism is dependent on genotype but vice-versa is not possible.

The distinction bwtween.genotype and phenotype would have been possible after the " great oxygenation event" that create the diverse life forms on the Earth. It increases the complexity of the organism and lead to the difference between genotype and phenotype of the scientist.

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