Types of polyploidy There are mainly two types of polyploidy-autopolyploidy and allo(amphi)polyploidy. There are various types under each of these major divisions. 1. Autopolyploidy is the presence of multiple sets of chromosomes derived from a single genotype.
The two most popular tests for shoulder impingement are the Neer test and the Hawkins test. In the Neer test (below left), the examiner stabilizes the scapula while passively elevating the shoulder, in effect jamming the humeral head into the acromion. In the Hawkins test (below right) the examiner elevates the arm to 90 degrees of abduction and forces the shoulder into internal rotation, grinding the cuff under the subacromial arch.
The mirror test, sometimes called the mark test or the mirror self-recognition test, is a behavioural technique developed in 1970 by psychologist Gordon Gallup Jr. as an attempt to determine whether a non-human animal possesses the ability of visual self-recognition. The MSR test is the traditional method for attempting to measure self-awareness; however, there has been controversy whether the test is a true indicator. In the classic MSR test, an animal is anaesthetised and then marked on an are