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A megaspore mother cell, or megasporocyte, is a diploid cell in plants in which meiosis will occur, resulting in the production of four haploid megaspores. At least one of the spores develop into haploid female gametophytes, the megagametophytes. [1] The megaspore mother cell arises within the megasporangium tissue.
During megasporogenesis, a diploid precursor cell, the megasporocyte or megaspore mother cell, undergoes meiosis to produce initially four haploid cells (the megaspores). [1] Angiosperms exhibit three patterns of megasporogenesis: monosporic, bisporic, and tetrasporic , also known as the Polygonum type, the Alisma type, and the Drusa type ...
A megasporocyte inside a megasporangium or ovule undergoes meiosis, producing four megaspores. Only one is a functional megaspore whereas the others stay dysfunctional or degenerate. The megaspore undergoes several mitotic divisions to develop into a female gametophyte (for example the seven-cell/eight-nuclei embryo sac in flowering plants).
Detroit slang is an ever-evolving dictionary of words and phrases with roots in regional Michigan, the Motown music scene, African-American communities and drug culture, among others. The local ...
Megagametogenesis is the process of maturation of the female gametophyte, or megagametophyte, in plants. [1] During the process of megagametogenesis, the megaspore, which arises from megasporogenesis, develops into the embryonic sac, in which the female gamete is housed. [2]
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For some people — and penguins — love is all about the little things. If you demonstrate affection by sending memes, TikTok videos or trinkets, pebbling might be your love language ...
(slang) idiot; a general term of abuse, from Red Dwarf. snog (slang) a 'French kiss' or to kiss with tongues (US [DM]: deep kiss, not necessarily with tongues). Originally intransitive (i.e. one snogged with someone); now apparently (e.g. in the Harry Potter books) transitive. [citation needed] soap dodger one who is thought to lack personal ...