6.2 Cloning and Biotechnology

Question 1

Define clones

Answer 1

genetically identical organisms or cells

Question 2

What method of reproduction are natural clones produced by?

Answer 2

asexual

Question 3

Give 3 advantages of natural cloning.

Answer 3

if conditions of growth are good for parent they will be good for offspring
its rapid so population can increase quickly
can be carried out wiht only one parent

Question 4

give 3 disavantages of natural cloning

Answer 4

offspring can become overcrowded
no genetic divrsity (except from mutations)
population shows little variation
selection is not possible (no evolution)
if environment changes/disease appears the whole population is susceptible

Question 5

what is the name of reproduction from vegetatiive parts of the plant?

Answer 5

vegetative propagation

Question 6

Plants grow horizontal stems that can form roots at certain points.
What are these called when they are:
A) above ground
B) below ground

Answer 6

A) runners or stolens

B) rhizomes

Question 7

how do you do a plant cutting? (3)

Answer 7

use clean sterile sharp blade
cut between 2 nodes
place in moist soil

Question 8

What are the 4 types of cuttings?

Answer 8

between nodes
root cutttings
scion cuttings
leaf cuttings