This statement is false. When two small parts of a species population are separated geographically the phenomenon of founder effects occurs. Both of these two newly formed populations have the same probability of acquiring neutral mutations. Due to the geographical separation, the number of alleles for some genes in the parent population is larger than the two new populations.
The male gamete can move through the syle with the aid of gravity and lubricating fluid along the syle the pollen grain also secretes enzyme to digest the style
