3. IN AGRICULTURE, RECOMBINANT DNA IS USED TO CREATE GENETICALLY
MODIFIED CROPS WITH IMPROVED TRAITS. BY INSERTING SPECIFIC GENES
INTO A PLANT'S DNA, SCIENTISTS CAN MAKE CROPS MORE RESISTANT TO
PESTS, DISEASES, OR HARSH CONDITIONS, INCREASE THEIR NUTRITIONAL
VALUE, OR BOOST THEIR YIELD. THIS HELPS IMPROVE FOOD SECURITY AND
AGRICULTURAL SUSTAINABILITY.
4. WHAT ARE THE 2 EXAMPLES OF RECOMBINANT DNA IN AGRICULTURE?
1. Resistance to Herbicides:
Some genetically modified
crops are resistant to certain
herbicides, thanks to the
introduction of a herbicide-
resistant gene. This allows
farmers to control weeds
without damaging the crops
2. Insect and Viral Resistance:
The Bt gene, derived from a
bacterium, produces a toxin
that is safe for humans but
lethal to certain insects. By
inserting this gene into crops,
scientists have created plants
that are resistant to specific
pests.
5. WHAT ARE THE
NUMEROUS
BENEFITS?
1. Improved Crop Resistance: By incorporating specific
genes into plants, crops can become more resistant to
pests, diseases, and harsh environmental conditions.
This helps reduce crop losses and increases yield.
6. 2. Enhanced Nutritional Value: Certain
modifications can increase the nutritional
content of crops. For example, Golden Rice is a
genetically modified variety of rice that contains
beta-carotene, a source of vitamin A, which is
especially beneficial in areas where nutrient
deficiencies are common.
7. 3. Lower Use of Chemicals: By making crops naturally
resistant to pests and diseases, the need for chemical
pesticides and herbicides can be reduced, leading to a
more sustainable and environmentally friendly
agriculture.
9. CONCLUSIONS AND
NEXT STEPS
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