chapter 12

Question 1

After a gel electrophoresis procedure is run, the pattern of bars in the gel shows

Answer 1

The presence of various-sized fragments of DNA

Question 2

What feature of a DNA fragment causes it to move through a gel during electrophoresis

Answer 2

The electrical charges of its phosphate groups

Question 3

Neanderthals (homo neanderthalensis) are our closest living relatives

Answer 3

False

Question 4

What device is used to multiply DNA strands

Answer 4

Polymerase chain reaction

Question 5

__ is the manipulation of organisms of their components to make useful products

Answer 5

Biotechnology

Question 6

The CRISPR-Cas9 system allows the nucleotide sequence of specific genes to be edited in living cells

Answer 6

True

Question 7

The Innocence project was a massive scientific endeavor to determine the nucleotide sequence of all the DNA in the human genome and identify the location and sequence of every gene

Answer 7

False

Question 8

Organisms that have acquired one or more genes by artificial means

Answer 8

Transgenic organism

Question 9

__ is intended to treat disease by introducing genes into an afflicted person

Answer 9

Human gene therapy

Question 10

PCR permits a scientist to obtain enough DNA to allow a DNA profile to be constructed

Answer 10

True