Certification. If a sonographer has obtained education through a college or university, the sonographer must pass an exam in order to get their certification. Some states require that ultrasound technicians be licensed, which requires them to hold current certification.
diploid â(not comparable) (cytology) Of a cell, having a pair of each type of chromosome, one of the pair being derived from the ovum and the other from the spermatozoon. Most somatic cells of higher organisms are diploid.
A diploid cell will have two sets of chromosomes, one set from each parent. â¦ A haploid cell is a cell with only one set of chromosomes. For example, humans are diploid organisms-our cells each have two copies of 23 different chromosomes for a total of 46. A haploid cell is a cell with only one set of chromosomes. For example, humans are diploid organisms-our cells each have two copies of 23 different chromosomes for a total of 46.