Theory of germplasm - pre-mendelian theory, Biology

Theory of Germplasm

(i)         'August Weismann' (1889) suggested the theory of continuity of germplasm.

(ii)         He referred to the reproductive cells as germplasm and to rest of the body as somatoplasm.

(iii)        The germplasm forms the bridge of life and passes from one generation to the next.

(iv)        In each generation it also produces the somatoplasm. Soma is 'Mortal' because it eventually dies and disintegrates, the germ is "immortal", because is continues forever.

(v)         According to Weisman the germ cells have genetic units ids or determinates.

(vi)      He rejected the theory of pangenesis. Thus first time a proper distinction was made between heritable and environmental variation on the basis of this principle.

Posted Date: 10/10/2012 3:22:35 AM | Location : United States







Related Discussions:- Theory of germplasm - pre-mendelian theory, Assignment Help, Ask Question on Theory of germplasm - pre-mendelian theory, Get Answer, Expert's Help, Theory of germplasm - pre-mendelian theory Discussions

Write discussion on Theory of germplasm - pre-mendelian theory
Your posts are moderated
Related Questions
OPI A T E NARCOTICS - They suppress brain activity and relieve pain popularly known as pain killers. They are sedative and astringent in nature. An astringent cause

Q. Can you explain Deoxynivalenol Mycotoxicosis? During 1987, an outbreak estimated to have affected over 50,000 people in the State of Jammu and Kashmir, was traced to the c

Define Vitamin A, Iron and Zinc required for elderly? Vitamin A, Iron and Zinc: The recommendation for iron is said to decrease in elderly women. Intake of vitamin E and zinc

Q. Mismatch and Recombinational repair? Mismatch repair: 1. Mismatches can take place when DNA polymerase inserts wrong nucleotide during replication 2. Mismatch repair is

Implementation of Nursing Care   Administration of Appropriate Drugs  If  the surgery is not necessary or if  it is postponed for some time then diuretics and digoxin are

The middle course - Classification of the river The middle course of the river occurs over the foothill belt where the velocity or water is comparatively less which moves a li

HIND BRAIN - 1 .       CEREBELLUM - Little part, lies below the posterior part of cerebrum & above the medulla oblongeta. It conists of median lobe vermis & 2 lat

The breakdown of ATP releases energy, which is utilized by other reactions that require energy. Identify other examples where inventions have utilized a similar principle, where en

Define Obligatory and Facultative water excretion? i) Obligatory water excretion: The kidney is 'obligated' to excrete some water to rid the body of its daily load of urinary s

sea divisions