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gametophyte Meaning in Hindi (शब्द के हिंदी अर्थ)


gametophyte ka kya matlab hota hai


गेमटोफाइट

एक पौधे के जीवन चक्र में युग्मन वाले व्यक्ति या चरण पीढ़ियों के वैकल्पिक रूप से



gametophyte's Usage Examples:

Thus in the series Bryophyta, Pteridophyta, Phanerogamia, whilst the sporophyte presents progressive development, the gametophyte presents continuous reduction.


However, they belong respectively to two different forms in the life-history of the plants; the leaves of the mosses are borne by the gametophyte, those of the club-mosses by the sporophyte.


In the vascular cryptogams and phanerogams it takes place in the spore mother cells and the reduced number is found in all the cells of the gametophyte, the full number in those of the sporophyte.


The female gametophyte is extremely reduced; there is a sexual apparatus of naked cells, one of which is the egg-cell which, after fusion with a male cell, divides to form a large siispensorial cell and a terminal embryo.


The male gametophyte is sometimes represented by a transitory prothallial cell;, the two male cells are carried passively down into the ovary and into the mouth of the ovule by means of the pollen-tube.


Moreover, it is known that the reduction in the number of chromosomes which occurs at the initiation of the gametophyte generation in Pteridophyta occurs of the various constituent groups.


The gametophyte is unknown.


The independent plant which is generally attached to the soil by hair-like structures is the sexual generation, the sporophyte is a stalked or sessile capsule which remains always attached to the gametophyte from which it derives the whole or part of its nourishment.


The male gametophyte is represented by one or few cells and, except in a few primitive forms where the male cell still retains the motile character as in the Pteridophyta, is carried passively to the macrospore in a development of the pollen grain, the pollen tube.


The gametophyte is a small thalloid structure which shows varying degrees of independence affording an interesting transition to the next group.



gametophyte's Meaning':

the gamete-bearing individual or phase in the life cycle of a plant having alternation of generations

Synonyms:

plant, microgametophyte, plant life, flora, megagametophyte,



Antonyms:

fauna,



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