Embryos prom synergids, Biology

Embryos Prom Synergids

The synergids, which usually degenerate prior to or soon after double fertilization, are reported to give rise to embryos in Argentine mexicana, Tamarix erimids, Dioscorea composita. The synergid embryos grow along with the zygotic embryo in the embryo sac. In Najas major the synergid and the egg cell are fertilized and the resulting embryos resemble each other. Fertilization of the synergid is usually on account of entry of additional pollen tube in the embryo sac.

Sometimes the unfertilized synergid is also stimulated to divide and form an embryo like structure. In the normal course only the zygotic embryo attains maturity and the haploid or diploid synergid embryo degenerates.

Posted Date: 1/23/2013 7:54:50 AM | Location : United States







Related Discussions:- Embryos prom synergids, Assignment Help, Ask Question on Embryos prom synergids, Get Answer, Expert's Help, Embryos prom synergids Discussions

Write discussion on Embryos prom synergids
Your posts are moderated
Related Questions
Draw a diagram of external view of a human brain. Label:- frontal lobe, temporal lobe, occipital lobe and cerebellum.

Explain Preparation of burette for Estimation of Reducing Sugar by Fehling Soxhlet? Preparation of burette - Take a 50 ml burette. 1. Fix the burette into the burette holder

Why does thermal inversion increases air pollution? What harm can thermal inversion cause to humans? Thermal inversion confines at low altitude a layer of pollutants that would

What are the physical propertie of sol Sols resemble liquids in their main physical properties - that is, they flow and they do not show rigidity of form. However, when a sol a

Q. Which are the two major metabolic gases transported by the blood? The major metabolic gases transported by the blood are molecular carbon dioxide (CO 2 ) and oxygen (O 2 ).

What is the aim of milling The aim of milling (the process including crushing and grinding) is to obtain preferentially a flour, in which the constituents of the endosperm cell

Define Classification of Carbohydrates - Monosaccharide? Monosaccharides or simple sugars are those carbohydrates that cannot be hydrolyzed into simpler carbohydrates. E.g. gl

BIRT H CONTROL - Birth control methods which deliberately prevent fertilization are contraception. These methods may be temporary or permanent. 1 .       TEMPORARY MET

TEET H - Study of teeth is odontology. Accumulation of oral bacteria & their products on teeth is plaque. Some acids are secreted by bacteria causing carries.

which organs are involved in respiration of annelid and what is it called ,what by products are formed and how amount of ATP is released?