A tetrad is composed of? a. two chromosomes with two sister chromatids each. b. two sister chromatids with separate centromeres. c. four chromosomes with two sister chromatids each. d. four sister chromatids with a common centromere. e. four sister chromatids attached at a common centromere.
a. two chromosomes with two sister chromatids each.
Explanation:
A tetrad is two homologous chromosome each consisting of two sister chromatids to make up four(4) chromatids. They are produced from meiotic cell division.
