How does recombination in sexually reproducing organisms ensure that every generation will have changes in the inherited DNA? please help in soon 20 points!!

What is the problem in this article? what solution does the article propose?

Which of the following factors would not contribute to allopatric speciation? a) a population becomes geographically isolated from the parent population. b) the separated population is small, and genetic drift occurs. c) the isolated population is exposed to different selection pressures than the ancestral population. d) different mutations begin to distinguish the gene pools of the separated populations. e) gene flow between the two populations is extensive.

Modern computers can store about as much information as the human brain. true false its false i took the test