Science and the environment – Clip

The video explains genetic modification, focusing on how goats are altered to produce spider silk in their milk. This silk is extracted and spun into thread, noted for its exceptional strength, making it one of the strongest substances on Earth.

What is the primary purpose of genetic modification as introduced in the video?

• To increase the size of organisms

• To eliminate diseases

• To give organisms different characteristics

• To create new species

How have the goats been genetically modified according to the video?

• To grow faster

• To produce spider silk in their milk

• To resist diseases

• To produce more milk

What is the significance of spider silk as mentioned in the video?

• It is used in food production

• It is easy to produce

• It is one of the strongest substances on Earth

• It is a rare material

What can be done with the spider silk produced by the goats?

• It can be used as a food additive

• It can be extracted and spun into thread

• It can be used as a fertilizer

• It can be used to make goat cheese

Why is spider silk considered extremely useful?

• It is one of the strongest substances on Earth

• It is biodegradable

• It is colorful

• It is lightweight