Answered by The WikiAnswersÂ® Community. Making the world better, one answer at a time. A change in the nucleotide sequence of DNA is called a mutation. A change in the nucleotide sequence of DNA is called a <b>mutation</b>.
TDD â Conceptualized. Test-driven development is an important Agile development practice which aims to set some concrete, detailed expectations in advance and allows those expectations of code behavior to guide the implementation.
TTY/TDD stands for a group of telecommunication devices that make it easier for deaf and/or mute people to talk over telephone lines. TTY stands for telephone typewriter, teletypewriter or text phone. TDD stands for Telecommunications Device for the Deaf. Usually these devices are all categorized under TTY/TDD. Sometimes TTY means manual devices such as typewriters, TDD devices usually fall under computer assisted or digital devices. For the most part, a TTY/TDD device is the size of a typewriter or a small computer. The vast majority of these devices have a QWERTY keyboard and some sort of display screen that either uses LED, LCD or other display technology.