When there are few copies of an allele, the effect of genetic drift is larger, and when there are many copies the effect is smaller. In the early 20th century, vigorous debates occurred over the relative importance of natural selection versus neutral processes, including genetic drift.
In computing and telecommunication, a control character or non-printing character is a code point (a number) in a character set, that does not represent a written symbol. C0 and C1 control codes-Wikipedia. STX-Start of Text-First character of message text, and may be used to terminate the message heading. SOH-Start of Header-First character of a message header. GS-Group Separator-Can be used as delimiters to mark fields of data structures.
SOS signal. SOS (Save Our Souls) is the best known international distress signal. Everyone should be familiar with SOS. The SOS signal can be transmitted by any method, visual or audio. The code for SOS is 3 short, 3 long and 3 short signals. Pause. Repeat the signal. The SOS signal can, for instance, be constructed as a ground to air signal with rocks and logs, or whatever material you have available. At night you can use a flashlight or a strobe light to send an SOS to, for instance, an aircraft.