Scientists have created malaria-resistant mosquitoes

The video discusses the global risk of malaria, highlighting that half of the world's population is at risk, with Sub-Sahara Africa accounting for 91% of malaria deaths in 2015. Malaria is caused by plasmodium parasites transmitted through bites from infected female Anopheles mosquitoes. Scientists have used CRISPR, a genome editing tool, to insert malaria-blocking genes into mosquitoes, making them resistant to infection. When these altered mosquitoes mate with wild ones, their offspring inherit the edited gene, which is replicated in the cell, resulting in malaria-resistant mosquitoes. Almost all tested offspring inherited the resistance gene.

What percentage of malaria deaths occurred in Sub-Sahara Africa in 2015?

• 100%

• 91%

• 75%

• 50%

What is the primary method of malaria transmission to humans?

• Contaminated water

• Direct contact with infected individuals

• Infected female Anopheles mosquito bites

• Airborne particles

What tool do scientists use to insert malaria-blocking genes into mosquitoes?

• DNA Sequencing

• RNA Interference

• Gene Therapy

• CRISPR

What happens when an altered mosquito mates with a wild mosquito?

• The offspring become sterile

• The offspring inherit both an edited and a normal gene copy

• The offspring inherit only the edited gene

• The offspring are always wild type

What percentage of mosquito offspring tested inherited the malaria-resistant gene?

• 50%

• 75%

• Almost 100%

• None