What is a bivalent or tetrad in meiosis?
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Correct answer: A pair of homologous chromosomes with four chromatids
A bivalent consists of two homologous chromosomes paired together during prophase I. Since each chromosome has two sister chromatids, the structure contains four chromatids and is also called a tetrad.
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More Meiosis questions
- Which process exchanges genetic material between non-sister chromatids of homologous chromosomes?
- During which stage of prophase I is crossing over most commonly associated?
- What are chiasmata?
- What happens during metaphase I of meiosis?
- What separates during anaphase I of meiosis?
- What separates during anaphase II of meiosis?