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.
The egg of a female organism contributes several things to the creation of an embryo. The egg has Â½ of the DNA needed to make a new individual. Also, the egg provides all of the cytoplasm for further cell divisions. Because a sperm contributes jus...