gametophytes in English

noun

1

(in the life cycle of plants with alternating generations) the gamete-producing and usually haploid phase, producing the zygote from which the sporophyte arises. It is the dominant form in bryophytes.

Unlike vascular plants, the haploid gametophyte generation is dominant in mosses.

Use "gametophytes" in a sentence

1. Mosses: Class Bryophyta • Gametophytes are leafy

2. Antheridia and Archegonia are produced by gametophytes

3. The gametophytes of ferns, however, are very different from those of seed plants.

4. This review builds upon previous classifications of angiosperm female gametophytes but offers two new perspectives.

5. The knowledge of the vegetative and reproductive morphology of gametophytes and characteristics such as spore morphology, spore germination pattern, gametophyte form, presence or absence of hairs, photosynthetic gametophytes or not, position, shape and number of antheridia and Archegonia cells, number of cells of the antheridium wall and number of Archegonia neck cells and gametophytes …

6. The presence of antheridiogens is suspected on the basis of small Ameristic male gametophytes in the cultures

7. The nut-like gametophytes inside the seeds are particularly esteemed in Asia, and are a traditional Chinese food.

8. On the underside of the gametophyteHaploid Antheridia in ferns develop on the underside of mature haploid gametophytes.

9. Sperm cells in algal and many plant gametophytes are produced in male gametangia (antheridia) via mitotic division.

10. Antheridia in mosses are multicellular structures produced by adult male or bisexual gametophytes and which contain sperma-togenous tissue

11. Antheridia are hemispheric to subglobose and develop on the abaxial surface of the cushion and wings of cordiform-spatulate gametophytes of A

12. Key Difference – Antheridia vs Archegonia Gametophyte generation is dominant in most of the nonvascular plants such as bryophytes, liverworts, conifers and algae.These organisms show alteration of generations and produce male and female gametophytes for the production of male and female gametes for sexual reproduction.Male sex organ of the male gametophyte is known as …

13. First, in all Bryophytes the ecologically persistent, photosynthetic phase of the life cycle is the haploid, gametophyte generation rather than the diploid sporophyte; Bryophyte sporophytes are very short-lived, are attached to and nutritionally dependent on their gametophytes and consist of only an unbranched stalk, or seta, and a single

14. Slides of mature Archegone and antherids : note antheridia and archegonia are elevated on stalks above the thallus; on mature Archegone, look for sporophyte (2n) and egg (1n) in archegonia on antherids slide, look for sperm similar to moss Fig 19.3, 4 in lab manual preserved & live Marchantia look for female and male gametophytes, gemma cups

15. Key Difference – Antheridia vs Archegonia Gametophyte generation is dominant in most of the nonvascular plants such as bryophytes, liverworts, conifers and algae.These organisms show alteration of generations and produce male and female gametophytes for the production of male and female gametes for sexual reproduction.Male sex organ of the male gametophyte is known as Antheridium.