• Sonuç bulunamadı

PLANT KARYOLOGICAL TECHNIQUES

N/A
N/A
Protected

Academic year: 2021

Share "PLANT KARYOLOGICAL TECHNIQUES"

Copied!
13
0
0

Yükleniyor.... (view fulltext now)

Tam metin

(1)
(2)

karyotype

The number and appearance of chromosomes in the nucleus of a eukaryotic cell.

• complete set of chromosomes in a species or in an individual organism and for a test that detects this complement or

(3)

Pretreatment

well-spread, clear,

(4)

Pretreatment

Increases the number of metaphase cellsConstricts the chromosomes longitudinally • Clarifies the constrictions

(5)

Microtubule-inhibiting pretreatment

substances

colchicine,

8-hydroxyquinoline, • p-dichlorobenzene, • ice cold water,

(6)

FIXATION

Fixed at the point where it was at the time of fixation.

(7)

COMMONLY USED FIXATIVES

Mercuric Chloride (HgCl2)

• Potassium Dichromate (K2Cr2O7)

• Chromic Acid (H2CrO4) or Chromium Trioxide (CrO3) • Osmium Tetroxide (OsO4)

• Ethanol (C2H5OH)

• Acetic Acid (CH3COOH)

(8)

Fixing Mixtures

Flemming’s Weak FluidFlemming’s Strong Fluid • Carnoy’s Fluid

(9)
(10)

The Feulgen Reaction

(11)

Squash and Smear Preparation

Smears are formed when fresh tissue is spread over a slide and no treatment is necessary.

(12)
(13)

Fluorescence in situ hybridisation (FISH)

1) Tissue collection: 2) Fixation:

3) Enzyme digestion 4) Protoplast isolation

5) Hypotonic treatment of protoplasts

6) Cleaning and fixation of the protoplasts 7) Protoplast dropping:

Referanslar

Benzer Belgeler

S analytical is the analytical solution and S numerical is the numerical solution. The absolute value is taken to account equally for over and under estimates of the solution.

Just when the balloon is 65 ft above the ground, a bicycle moving at a constant rate of 17 ft/sec passes under it.. How fast is the distance between the bicycle and balloon increasing

For this reason, there is a need for science and social science that will reveal the laws of how societies are organized and how minds are shaped.. Societies have gone through

A proposed case study is simulated using Matlab software program in order to obtain the overload case and taking the results of voltage and current in the distribution side,

Marketing channel; describes the groups of individuals and companies which are involved in directing the flow and sale of products and services from the provider to the

A CdZnTe based semiconductor X-ray detector (XRD) and its associated readout electronics has been developed by the Space Systems Design and Testing Laboratory of Istanbul

Svetosavlje views the Serbian church not only as a link with medieval statehood, as does secular nationalism, but as a spiritual force that rises above history and society --

The aim of this study is to provide developing students’ awareness of mathematics in our lives, helping to connect with science and daily life, realizing