Question

What is the purpose of a DNA chip?

Select one or more:
a. determines genomic variants of an individual
b. controls gene regulation in specific cells
c. links gene mutations to specific diseases
d. shows which genes are turned on and off in different cells

Answer 1

A 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.