Which of the following techniques is used for detection of variation in DNA sequence and Gene expression?
Nohern blot
Southern blot
Western blot
Microarray
DNA microarray (also commonly known as DNA chip or biochip) is a collection of microscopic DNA spots attached to a solid surface. Scientists use DNA microarrays to measure the expression levels of large numbers of genes simultaneously or to genotype multiple regions of a genome.
Metabolism of nucleic acids