Period 7: Genetic Engineering Test Review

___ is the process of changing the DNA of a living organism.

• selective breeding

• genetic engineering

• genes

Two organisms that are closely related would have...

• very similar DNA sequence

• exactly the same DNA sequences

• completely different DNA sequence

Tags

NGSS.HS-LS3-1

What are some ways genetic engineering can improve crops?

• Make them pest or drought resistant

• Make them more nutritious

• Make them larger

• All answers are correct

Tags

NGSS.HS-LS3-2

Corn and rice are two of these most genetically modified crops in the US.

• true

• false

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-2

Which term refers to a farmer choosing the best corn from this year to plant next year?

• preferential breeding

• selective breeding

• genetic engineering

A wild cat was bred with a house cat in order to have a cat that looks wild but is more gentle. This is an example of__.

• Genetic Modification

• Gene Therapy

• Animal breeding

• Selective breeding

Tags

NGSS.MS-LS4-4

Which of the following best describes a DNA molecule?

• double helix

• a ladder

• twisty

In a molecule of double-stranded DNA, the amount of adenine present is always equal to the amount of _________.

• cytosine

• guanine

• thymine

A _________ is DNA that is tightly coiled.

• gene

• chromosome

• trait

• DNA

Tags

NGSS.HS-LS3-1

How many chromosomes does a human body cell have, total?

• 50

• 46

• 23

• 45