TETRAD โ Definition of TETRAD
noun
1
A group of four things.
2
Two pairs of sister chromatids (a dyad pair) aligned in a certain way and often on the equatorial plane during the meiosis process.
3
A group of four haploid and immature pollen grains in tetrahedral fashion produced by meiotic microsporogenesis.
4
A unit of land area of two by two (that is, four) square kilometres.
๐ Source: en.wiktionary.org/wiki/tetrad
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