Its based on radiometric age-dating of meteorites material and is consistent with the radiometric ages of the oldest known terrestrial and other lunar samples
In this kind of population, the make up of the population's gene pool will remain virtually the same as long as these conditions hold. In this kind of situation, no evolution can take place, all thing will remain the same. For evolution to occur, competition must exist.
IN 30% would mean a certain allele that would occur every 3 times of 10 alleles and that mean those other 7 alleles would be variant-different
