system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Which of following techniques is used for detection of variations in DNA sequence and Gene expression:
assistant
The correct answer is  D i.e. Microarray DNA Microarrays (DNA-Chips) is used for detection or screening of variations in DNA sequences and gene expressionQ analysizing thousands of gene at a same time.