Megaspores, also called macrospores, are a type of spore that is present in
heterosporous ... During megasporogenesis, a diploid precursor cell, the
megasporocyte or ... cell, undergoes meiosis to p...
Meiosis | Ploidy | Life Cycles | Phases of Meiosis | Prophase I | Metaphase I ...
Most of the cells in your body are diploid, germ line diploid cells will undergo
meiosis to ... In flowering plants (angiosperms) the multicelled visible plant (leaf,
stem, etc.) .... Whereas in spermatogenesis all 4 meiotic products develop into
The gametophyte generation starts with a haploid spore produced through
meiosis. ... Some cells eventually undergo meiosis and form spores, thus
beginning a ...
animation, a haploid sperm cell fuses with a haploid egg cell to form a.
NARRATED ... The product of. this second event ... After double fertilization has
taken place in an angiosperm, the. zygote is ... A haploid cell cannot undergo.
meiosis ... When a diploid cell undergoes. meiosis, it produces four haploid. cells.
The stamens contain four groups of cells, called the microsporangia (pollen sacs)
, within an anther. The microsporangia undergo meiosis to produce microspores.
... The embryo sac is the product of three mitotic divisions of the haploid ...
Dec 26, 2011 ... Spores undergo gametogenesis, a process of cell proliferation and ... The
angiosperm gametophytes are composed of few cells and are embedded within
the .... The central cell inherits two identical haploid nuclei and is therefore
homodiploid. .... In Arabidopsis and most other species, one meiotic product ...
The nucleus contains most of the cell's genetic material, i.e., the substance .... In
plants, the immediate products of meiosis are single, haploid cells called spores.
Apr 9, 2004 ... Angiosperms have both female and male gametophytes. ... generation is to
produce haploid spores, which are the products of meiosis. .... For example, in
Arabidopsis, the antipodal cells undergo cell death immediately before ...
Figure 16: Typical angiosperm life cycle (see text). ... These tissues are
composed of microsporocytes, which are diploid cells capable of undergoing
meiosis to ...
As flowers are the site of meiosis and fertilization in angiosperms, meiotic control
... The nature of the meiotic cell division in plants, the genetic mechanisms that ....
is required for meiosis-II and osd1 produces diploid dyad products of meiosis ....
single-celled zygotes undergo meiosis immediately following fertilization (Fig.