Advances in Genetics

Question 1

Which procedure took the DNA from one sheep to produce a genetically identical lamb, named Dolly?

Revolt · Accepted Answer

cloning

Question 2

In recent years, a certain area of the world has experienced greater shifts in weather patterns. For example, there are many nights during which the temperature gets below freezing, but many days that are very warm. These shifts have made it difficult to grow and harvest crops.

Revolt · Accepted Answer

increased resistance to environmental factors

Question 3

What is the main goal of gene therapy?

Revolt · Accepted Answer

to cure human diseases

Question 4

selective breedingartificial selectioncloninggenetic engineering

Revolt · Accepted Answer

genetic engineering

Question 5

Why do some people worry that eating genetically modified food may be harmful?

Revolt · Accepted Answer

There have not been enough long-term studies to prove that this food is safe.

Question 6

A researcher changes the DNA in a soybean plant so that it produces offspring with a resistance to weed killer.

Revolt · Accepted Answer

genetic engineering

Question 7

The diagram shows a process used to produce apple trees with the desired trait of sweeter fruits.

Revolt · Accepted Answer

X: Gene for sweeter fruitY: Apple tree DNA

Question 8

A scientist takes a cell from one cow and an egg from a second cow. The scientist removes the DNA from the egg and replaces it with the DNA from the first cow. The scientist’s goal is to produce a baby cow with DNA that is identical to the first cow.

Revolt · Accepted Answer

cloning

Question 9

best

Revolt · Accepted Answer

Cloning results in a genetically identical plant and selective breeding does not.

Advances in Genetics Answers

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