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.
By these definitions, TDD is testing, not checking. When I write a test, I test to see if this new piece of functionality exists and works as I expect it to. In most cases, but certainly not all, I know the result of the test beforehand. That first test for the happy case, I know it will fail.