A) Wrestlers who develop strong body muscles in their life time pass their character on to their progeny
B) There is no change in population size as they have a large gene pool
C) There is a decline in population as boys marry girls only from their own tribe
D) Hereditary diseases like colour blindness do not spread in the isolated population
Correct Answer: C
Solution :
There is a decline in population as boys marry girls only from their own tribe in the isolated small tribal populations.
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