Class 12 · Evolution

Biochemical Similarities as Evidence of Evolution — NEET Biology

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In the same time of argument, similarities in proteins and genes performing a given function among diverse organisms give clues to common ancestry. These biochemical similarities point to the same shared ancestry as structural similarities among diverse organisms.

🖼️Related NCERT figure: Diagram showing examples of homologous organs in plants and animals. Part (a) shows plant structures - Bougainvillea with thorn and Cucurbita with tendril. Part (b) shows animal limb structures from man, cheetah, whale, and bat with arrows pointing to their corresponding bone structures below. (Figure 6.3 Example of homologous organs in (a) Plants and (b) Animals)
NCERT Biology · Class 12 · Chapter 6 · Paragraph 16
Why This May Be Tested in NEET 2027

Adjacent to a frequently-asked paragraph in the same chapter.

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QuestionPredicted for NEET 2027

Q8. Which of the following supports molecular evidence for evolution?

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