As per the modern synthetic theory,organic evolution depends upon:

According to Hugo de Vries,the mechanism of evolution is

Which of the following is a result of geographical isolation?

Which is the most accepted theory of organic evolution?

The replica plating experiment was performed to prove which of the following concepts?

In a gene pool,along with beneficial mutations,those mutations also exist which are damaging to an individual. It has been found that these mutations are often not eliminated from the population because:
$I.$ They have survival value.
$II.$ They are acquired.
$III.$ They are recessive and carried by heterozygous individuals.
$IV.$ They show genetic drift.
Choose the incorrect option$(s)$ regarding why these mutations persist in the gene pool.