TLS Online TPP Program

#Question id: 13041


Which of the following is incorrect about Data Collection? 

#Part-A Aptitude & General Biotechnology
  1. The two-color microarray uses multiple dyes at times 
  2. The most common type of microarray protocol is the two-color microarray 
  3. The cDNAs are obtained by extracting total RNA or mRNA from tissues or cells and incorporating fluorescent dyes in the DNA strands during the cDNA biosynthesis 
  4. The expression of genes is measured via the signals from cDNAs hybridizing with the specific oligonucleotide probes on the microarray