hort. reproduction

Question 1

vector

Answer 1

“carrier” DNA molecule that moves recombinant DNA to oth. cells

Question 2

DNA

Answer 2

Molecule encoding genetic information:

Question 3

Agrobacterium tumefaciens

Answer 3

Normal pathogenic plant bacterium w/ a Ti plasmid. can enter plant cells & insert new genetic material in2 plant chromosomes. (crown gall)

Question 4

Somatic cell

Answer 4

mature cell that can differentiate in2 any plant organ (any plant cell that’s not germ cell)

Question 5

Transgenic

Answer 5

hybrid from foreign sources

Question 6

Stacked crop

Answer 6

crop bred for mult. traits

Question 7

Plasmids

Answer 7

Circular pieces of DNA found outside the chromosome in bacteria

Question 8

Ligase

Answer 8

An enzyme used to paste segments of DNA together:

Question 9

Gene splicing

Answer 9

enzyme cuts a gene out & replace it w/ another gene

Question 10

Tissue Culture

Answer 10

starts new plants in a test tube or dish using tissue from a parent plant.

Question 11

Restriction enzymes

Answer 11

Proteins recognizes specific gene sequences on a chromosome and cuts DNA at those sites.

Question 12

Bacillus thuringiensis

Answer 12

natural insecticide found in soil

Question 13

Asexual repro.

Answer 13

any reprod. process uninvolving meiosis, fertilization or syngamy

Question 14

Induced propagtion

Answer 14

reprod. creating new plants from tissue or organs of parent plant by:
cuttings/layerings/grafting

Question 15

Vegetative propagation

Answer 15

naturally from the plant on modified stems such as:
runners,rhizomes,corms,tuberous root
bulbs

Question 16

Rhizomes

Answer 16

horiz. stems.
usually underground
Has nodes & short internodes
Extend roots from the bottom
Extend shoots from the top of nodes

Question 17

apomixis

Answer 17

prod. of seeds w/out fertilization of flowers
Occurs in these steps:
an embryo is prod. from a diploid cell in the ovule
the ovule then matures into seeds
Is utilized by dandelions

Question 18

Sexual repro.

Answer 18

combo of two haploid sex cells creating new indiv.
Involves fertilization
Allows offspring to have a combination of both parents’ DNA