Answer:
it can happen through animals like birds bees and other things or through wind
Explanation:
sorry this is such a simple answer
I believe CODIS still exist because if there is anything new about DNA in a laboratory, it will go straight to CODIS>
Answer:
Gene flow.
Explanation:
When individuals migrate, alleles can be transferred from one population to another population which is known as gene flow. Gene flow is also called gene migration, the introduction of genetic material through interbreeding from one population of organisms to another which changes the composition of the gene pool of the migrated population of organisms. This gene flow creates a new species that is different from previous population of organisms