If You Wish to Rid an Experimental Organism of the Function

question 39

Multiple Choice

If you wish to rid an experimental organism of the function of a gene, you can use RNAi. What would you inject into the organism?

• A)co-suppressor with double-stranded (ds)DNA
• B)ssRNA complementary to cDNA
• C)ssRNA complementary to mRNA
• D)dsRNA homologous to the gene
• E)dsRNA including transposase

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Definitions:

Fertility Rate

The average number of children that would be born to a woman over her lifetime.

Infant Mortality

The death of infants and young children under the age of one year, often used as an indicator of the health and societal conditions of a country.

Life Expectancy

The average period that an individual is expected to live, based on statistical analysis.

Immigration

The action of coming to live permanently in a foreign country.