A Mutagen Has Introduced a Frame- Shift Mutation by Adding

question 32

Multiple Choice

A mutagen has introduced a frame- shift mutation by adding one nucleotide base. Which of the following could be a reversion mutation for this particular mutant?

• A) adding 1 base only
• B) deleting 1 base or adding 1 base
• C) deleting 1 base or adding 3 bases
• D) deleting 2 bases only
• E) deleting 1 base or adding 2 bases

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Definitions:

Discarded

Items or materials that have been thrown away or deemed as no longer useful or needed.

Accumulated Depreciation

The total amount of depreciation expense that has been recorded against a fixed asset over its useful life to date.

Original Cost

The initial price paid to acquire an asset before any depreciation or amortization.

Net Income

The earnings a company retains following the deduction of all costs and taxes from its overall income.