Molecular Basis Of Inheritance Question 6

Question: Expressed Sequence Tags (ESTs) refers to

(1) All genes that are expressed as RNA.

(2) All genes that are expressed as proteins.

(3) All genes whether expressed or unexpressed.

(4) Certain important expressed genes.

Show Answer

Answer: (1) All genes that are expressed as RNA.

Explaination-

Expressed Sequence Tags or ESTs are genes that are expressed as RNA in the body. ESTs represent portions of expressed genes. They may be represented as either cDNA/mRNA sequence or as the reverse complement of the mRNA, the template strand.