The Site of Spermatogenesis and the Functional Cell Types Participating (Fig. 1). Spermatogenesis is the process of producing sperm with half the number of chromosomes (hapliod) as somatic cells. The process of spermatogenesis then allows the recombination of male and female haploid gametes at fertilization. This provides genetic contributions from both parents without increasing the number of chromosomes each generation.
ISO, founded in 1947, is a worldwide federation of national standards bodies from some 100 countries, with one standards body representing each member country. The American National Standards Institute (ANSI), for example, represents the United States.
What is ISO. ISO is the abbreviation of International Organization for Standardization originated from Greek ISOS which means Equal. Though non-governmental, ISO is still a very important global organization. In reference to video, ISO refers to a file format of an optical disc such as CD, DVD or Blu-ray Disc.ISO actually owned its name from the ISO 9660 file system and is used together with CD-ROM media. Act as a virtual CD/DVD drive. ISO image file can be mounted to a virtual drive as if a physical disc was loaded in the drive or treated as a regular Compact Disc inside a computer while maintaining the original structure of CD/DVD, which is convenient for further DVD burning;