Expressed Sequence Tags
About the Lecture
The lecture Expressed Sequence Tags by Georgina Cornwall, PhD is from the course Genomics.
Included Quiz Questions
Which of the following statements are TRUE regarding expressed sequence tag (EST)? Select all that apply.
- ESTs are short sequences of cDNA used to identify genes.
- ESTs are helpful in gene transcript identification, gene discovery, and gene sequence determination.
- ESTs represent an expressed part of a gene.
- ESTs are representative of the noncoding regions of the genome.
- ESTs refer to the cDNA complementary to the intron part of a gene.
Which of the following is NOT true regarding microarray?
- Microarrays help in the sequencing of noncoding regions of the genome by using cDNA libraries.
- DNA microarrays are used to determine the expression of thousands of genes at the same time.
- DNA molecules coated on the microscopic slides act as probes to determine gene expression.
- During microarray screening, experimental samples are compared with the reference sample to determine possible changes in gene expression.
- DNA microarray–based tumor-gene expression profiles are helpful in the diagnosis and classification of tumors.
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Author of lecture Expressed Sequence Tags
Georgina Cornwall, PhD
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