But Prime is just one of Amazonâs subscription businesses, which now include offerings like Subscribe & Save, Amazon Instant Video, Amazon Mom and Amazon Web Services. This explosion of the subscription business model has led to a spike in mergers and acquisitions activity. Witness Facebookâs $19 billion acquisition last year of the subscription-based messaging platform WhatsApp or Charles River Ventureâs recent investment of $4 million into subscription-box company Cratejoy.
Random Chromatid Assortment. A third source of genetic diversity occurs during meiosis II, in which the sister chromatids separate and are randomly distributed to the daughter cells, the gametes. Crossing over in meiosis I leads to non-identical chromatids in meiosis II chromosomes.
Genetic diversity refers to both the vast numbers of different species as well as the diversity within a species. The greater the genetic diversity within a species, the greater that species' chances of long-term survival.