GEN Lecture 8

Question 1

Genetic engineering

Answer 1

The in vitro alteration or recombination of genetic material and the reintroduction of the altered genetic material into a living organism

Question 2

Non-GE methods

Answer 2

Selective breeding, cloning, embryo-rescue, mutagenesis

Question 3

Mutagenesis

Answer 3

Using either chemicals or radiation to induce mutations and enhance genetic mutation.

Question 4

Embryo rescue

Answer 4

An in vitro technique to rescue weak hybrids between plant species

Question 5

Bt cry toxins

Answer 5

Cry toxin encoded by single gene that can be inserted into a plant by GE. Destroys insect gut. Non-toxic to humans.

Question 6

Gene editing employs

Answer 6

CRISPR-Cas9 system of bacteria