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Origin and Evolution of Life — BIOLOGY STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceBIOLOGYOrigin and Evolution of Life2 Marks
Question
Define the terms:
(a) Genetic drift (b) Homologous organs.
✓

Answer

(A) Genetic drift: It is the changes that occur in gene proportions in a population by chance alone.
(B) Homologous organs are those organs, which are structurally similar but perform different functions.

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