Which of the Following Is an Example of Genetic Engineering

question 57

Multiple Choice

Which of the following is an example of genetic engineering?

• A) Cross-breeding wheat and corn
• B) Educating farmers about the advantages of one type of rice over another
• C) Developing new, biodegradable pesticides
• D) Changing DNA inside grape seeds so they produce their own pesticide to prevent attack by insects

---

Definitions:

LncRNA

Long non-coding RNA; a type of RNA longer than 200 nucleotides that does not code for protein but has roles in regulating gene expression.

PiRNA

A class of small non-coding RNA molecules that are involved in the silencing of transposons and other gene regulatory functions primarily in the germline cells of animals.

Chromatin Structure

The complex of DNA and proteins, mainly histones, that forms chromosomes within the nucleus of eukaryotic cells, facilitating DNA packaging and gene expression regulation.

Initiator tRNA

The transfer RNA that recognizes the start codon on mRNA and initiates protein synthesis by bringing the first amino acid to the ribosome.