Question

Bivalent is stabilised through

Answer 1

The pachytene stage is the time when a bivalent is formed. Chromosome condensation at this stage allows for the microscopic observation of the chromosomes.

What is the process of the bivalent formation called?

• Along the length of the chromosomes, the homologous chromosomes, also known as bivalent chromosomes or bivalents, couple up next to one another.

• In a tetrad, a bivalent is one set of chromosomes (sister chromatids). A pair of homologous chromosomes (4 sister chromatids) that are linked by at least one DNA crossover form a tetrad.

• Synapses are formed when homologous chromosomes link together during the prophase of meiosis I. Bivalents are the name for paired chromosomes. One chromosome from each parent makes up the bivalent's two chromosomes and four chromatids.

• The coordination of homologous recombination, pairing, and synapsis results in the creation of bivalents during prophase I of meiosis.

Learn more about bivalent:

1. Zygotene is important because of bivalent formation .Why?

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2. Element with Valency two are called bivalent element​.

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