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Home  >>  JEEMAIN and AIPMT  >>  Biology
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What is true about the isolated small tribal population ?

(1) There is no change in population size as they have a large gene pool

(2) There is a decline in population as boys marry girls only from their own tribe

(3) Hereditary diseases like colour blindness do not spread in the isolated population

(4) Wrestlers who develop strong body muscles in their life time pass this character on to their progeny
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