The definition of speciation is the formation of new and distinct species in the course of evolution.
In genetics, an insertion (also called an insertion mutation) is the addition of one or more nucleotide base pairs into a DNA sequence. This can often happen in microsatellite regions due to the DNA polymerase slipping. ... On a chromosome level, an insertion refers to the insertion of a larger sequence into a chromosome.
Answer:
The one you chose is correct-
That is, assuming that the yellow one is the one you chose.