2
one grid - triodetwo grids - tetrodethree grids - pentodefour grids - hexodefive grids - heptode, pentagrid convertersix grids - octodeseven grids - nonodeetc.
there are four chromatids
This group, surprisingly enough for a biological named structure, is called a tetrad.
Tetrad.
In a cell with 2n=4, there would be two tetrad complexes. Each tetrad complex contains four chromatids, arranged in pairs of homologous chromosomes that align during meiosis.
bivalent is another name for tetrad
Tetrad
4
The term Tetrad means a group of four. It can be used in any context when talking about something that has a collective of four such as a tetrad of cats.
3
4
not enough