Chapter 13- Genetic Engineering

Question 1

Selective breeding

Answer 1

Allowing only those animals with desired characteristics to produce the next generation

Question 2

Hybridization

Answer 2

Crossing dissimilar individuals to bring together the best of both organisms

Question 3

Inbreeding

Answer 3

Continued breeding of individuals with similar characteristics

Question 4

Genetic engineering

Answer 4

Making changes in the DNA code of a living organism

Question 5

Restriction enzymes

Answer 5

Cuts DNA at a specific sequence of nucleotides

Question 6

Gel electricophoresis

Answer 6

Mixture of DNA fragments displaced at one end of a porous gel + electric voltage

Question 7

Recombinant DNA

Answer 7

Produced by combining DNA from different sources

Question 8

Polymerase chain reaction PCR

Answer 8

Technique that allows molecular biologists to make many copies of a particular gene

Question 9

Plasmid

Answer 9

Small circular piece of DNA

Question 10

Genetic marker

Answer 10

A gene that makes it possible to distinguish bacteria that carry the plasmid and those that don’t

Question 11

Transgenic

Answer 11

Contains genes from other species

Question 12

Clone

Answer 12

Member of a population of genetically identical cells produced from a single cell