nes have been altered. Genes from one species are
serted into a second species. The goal of this
ocess is to introduce a desired trait or
aracteristic into the second species. For example,
rn is vulnerable to certain kinds of worms that eat
d destroy the corn stalks. Genes can be taken from
me bacteria and inserted into the corn. These
nes from the bacteria enable the corn to produce
Oteins that kill the worms. This genetically
odified corn is now resistant to these pests. Other
ants, such as tomatoes, have been genetically
ered in a similar fashion, to remain fresher
nger."
Which type of definition does this excerpt provide?
explanatory definition
narrative definition
extended definition
formal definition