Briefly explain about type specimens, Biology

Assignment Help:

Q. Briefly explain about Type Specimens ?

The specimens on which the names of the species are based are kept as type specimens. Do not replace these specimens because these will serve as reference material for the species identified, Store these specimens in safe and standard museums separately from other general collection and handle them with great care, If you receive a request from other coworkers, loan these specimens to qualified I specialists and label them properly. Send them by safe and efficient means of transport. If you gift the type collection to other workers or to any museum, you still retain control and possession over this collection for your life time. You can also label I type specimens as "holotypes". If all the original specimens and even their duplicates (isotypes) are lost or destroyed by fire or some other accident, you can collect the specimens afresh and name them as "neotypes". You should remember that type specimen is the nucleus of a taxon and foundation of its name. Because of their value type are given special care by curators of herbaria, and they do not permit their being sent out on loan to other botanists or institutions.

While examining the herbarium specimen every care is to be taken in shifting the herbarium sheet. It should be lifted with the hands so that it does not bend. Do not turn over the herbarium sheets like the pages of a book. It should be lifted with both the hands and kept over the other. If you do not handle these sheets properly there is every chance of damage to specimen.


Related Discussions:- Briefly explain about type specimens

What property of the dna fragments permits this separation, DNA can be divi...

DNA can be divide into fragments using restriction enzymes.    (a) Outline the technique used to separate these fragments.    (b) What property of the DNA f

Explain amylopectin, Amylopectin Amylopectin forms a branched structure...

Amylopectin Amylopectin forms a branched structure with about 30 glucose units in a chain among branches. There are usually slightly more  'outer' unbranched chains (called A-c

Explain about the energy requirements in elderly, Explain about the Energy ...

Explain about the Energy Requirements in elderly? Based on the Benedict - Harris equation for men and women, the daily energy requirements can be calculated. For Men: 66 t

Double fertilization, Double fertilization  It carries two sperm cells to t...

Double fertilization  It carries two sperm cells to the female. A characteristic of angiosperms in which the pollen tube gametophyte in the ovule. The one sperm cell fuses with the

An a=t mispairing leads to an a=c substitution, An A=T mispairing leads to ...

An A=T mispairing leads to an A=C substitution. The other DNA helix will contain a(n) __ pair. a. A=C b. A=T c. G=C d. B=Q e. T=T Can you also explain it please so if I'm ask

A patient was complaining of frequent urination, A patient was complaining ...

A patient was complaining of frequent urination, excessive thirst and dehydration. His fasting glucose level was found to be normal. Name the disease and its cause. Describe

Explain fundamental of the photosynthesis process, Q. Is it correct to cons...

Q. Is it correct to consider water decomposition by the action of light the fundamental of the photosynthesis process? In addition ADP photophosphorylation, photic energy is al

Morphogenetic movements, Morphogenetic Movements Gastrulation is a dy...

Morphogenetic Movements Gastrulation is a dynamic process including a variety of coordinated movements of cells of dissimilar areas of the blastula. The movements of cells in

What are atherosclerosis, Atherosclerosis, the most common part of hardenin...

Atherosclerosis, the most common part of hardening of the arteries, is characterized by the presence of cholesterol-rich arterial thickenings (atheromas).  This progressive  diseas

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd