Evolution has exhibited a greater stability of molecular structure when compared with morphological structures. Comment on the statement and justify your opinion.
Morphological structures show lesser stability than the molecular structures because morphological characters of an organism only defines the physical appearance or structural features like shape, size, colour etc of the body. We see only the morphological diversity around us and life started as the simpler form to the complex level gradually thus show least diversity in morphology.
Molecular structures shows greater stability at the phylogenetics level which defines the complexity at the molecular level, i.e, from the DNA molecules, proteins, carbohydrates that are present in all organism. The structure of DNA is same in all organism but number varies from one to another organism. Example:- if we see the DNA bands in the DNA profiling it shows some bands will be same as their parents but some will be differ which defines the variation or shows the evolutionary relationship and also shows greater stability.
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Welcome to the NCERT Solutions for Class 10 Science - Chapter . This page offers a step-by-step solution to the specific question from Excercise 0 , Question 42: Evolution has exhibited a greater stability of molecular structure when compared with morphological ....
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