Somatic embryogenesis, Biology

Assignment Help:

Somatic Embryogenesis

The process of embryo development is called embryogenesis. It is not the monopoly of the egg to form an embryo. Any cell of the female gametophyte (Embryo sac) or even of the sporophytic tissues around the embryo sac may give rise to an embryo. Thus we can say that 'The phenomenon of embryogenesis is not necessarily confined to the reproductive cycle". In this subsection we will discuss - some examples of "embryos formed in culture", also referred to as "somatic - embryos".

The first observation of somatic embryos was made m Daucus Carota. Other plants in which the phenomenon has been studied in some detail are Ranunculus sceleratus, citrus and coffea spp. In Ranunculus sceleratus somatic as well as various floral tissues, including anthers proliferated to form callus which, after limited unorganized growth differentiated several embryos. These embryos germinated in situ and a fresh crop of embryos appeared on the surface of the seedling. The embryos were derived from individual epidermal cells of the hypocotyl.


Related Discussions:- Somatic embryogenesis

Define role of fitness in field of human endeavour, Define Role of Fitness ...

Define Role of Fitness in Field of Human Endeavour? Fitness plays a vital role in any field of human endeavour and influences the efficiency of a person. For this reason, fitne

What is a vesicle, What is a vesicle? A vesicle is a relatively minute ...

What is a vesicle? A vesicle is a relatively minute intracellular, membrane-enclosed sac that keeps or transports substances

Explain the torsional failure - root canal test, Explain the Torsional Fail...

Explain the Torsional Failure - Root Canal Test a. Occurs when the tip of the rotating instrument blinds (locked) in the canal while the motor continues to rotate the shank of

How many are the known amino acids, How many are the known amino acids that...

How many are the known amino acids that form proteins in living beings? There are twenty dissimilar known amino acids that form proteins related to the genetic code of the livi

Karyokinesis, At the beginning of the process in an animal cell, the partit...

At the beginning of the process in an animal cell, the partition of the centriole takes place, which has been duplicated during Interphase but were in the same centrosome. Bipol

Explain nutrient requirements during hypertension, Q. Explain nutrient requ...

Q. Explain nutrient requirements during hypertension? In order to meet the above objectives, we need to understand the nutrient requirements during hypertension. Let us start w

Symptoms of gastro oesophageal reflux disease, Q. Symptoms of gastro oesoph...

Q. Symptoms of gastro oesophageal reflux disease? Most commonly, people with GERD complain of heartburn, a painful or uncomfortable feeling in the chest, which may radiate to t

Cell biology, explain the relationship between concentration gradient and a...

explain the relationship between concentration gradient and active and passive transport

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