Definition of tetrad in English:
A group or set of four: a tetrad of distinct elements
More example sentences
- In both strains, haploid phenotypes from tetrads yielding four viable spores may be used to measure the strength of crossover interference.
- Two-thirds of the tetrads gave rise to four normally growing spores and one spore that formed a microcolony of 10 cells.
- Early in meiosis, each pair of homologs comes together to form a tetrad containing two pairs of sister chromatids.
Mid 17th century: from Greek tetras, tetrad- 'four, a group of four'.
Definition of tetrad in:
- US English dictionary
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