Q. What is true about the isolated small tribal populations?
A) There is a decline in population as boys marry girls only from their own tribe
B) Hereditary diseases like colour blindness do not spread in the isolated population
C) Wrestlers who develop strong body muscle in their life time pass this this character on to their progency
D) There is no change in population size as they have a large gene pool
Explanation
As the isolated populations do not have any hereditary diseases like colourblindness, so, they do not spread accordingly.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.