8. Heredity
medium

તે કઈ વિવિધ રીતો છે કે જેના દ્વારા એક વિશેષ લક્ષણવાળા વ્યક્તિગત સજીવોની સંખ્યા, વસ્તીમાં વધારો કરી શકે છે ? 

Option A
Option B
Option C
Option D

Solution

Individuals with a particular trait may increase in a population as a result of the following :

$(i)$ Natural selection : When that trait offers some survival advantage.

$(ii) $ Genetic drift : When some genes governing that trait become common in a population.

$(iii)$ When that trait gets acquired during the individual’s lifetime.

Standard 10
Science

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