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Question
______ is the X-shaped structure which is formed when the recombined homologous chromosomes separate from each other except at the sites of crossover.
______ is the X-shaped structure which is formed when the recombined homologous chromosomes separate from each other except at the sites of crossover.
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Solution
The correct option is A Chiasmata
The chiasmata is the X-shaped structure which is formed when the recombined homologous chromosomes separate from each other except at the sites of crossover. It is seen during the diplotene stage of prophase I of meiosis I.
During the zygotene stage of prophase I of meiosis I, the homologous chromosomes begin to pair up by a process called synapsis. The synapsed homologous chromosomes are called bivalents or tetrads. This is also associated with the formation of the synaptonemal complex.
The chiasmata is the X-shaped structure which is formed when the recombined homologous chromosomes separate from each other except at the sites of crossover. It is seen during the diplotene stage of prophase I of meiosis I.
During the zygotene stage of prophase I of meiosis I, the homologous chromosomes begin to pair up by a process called synapsis. The synapsed homologous chromosomes are called bivalents or tetrads. This is also associated with the formation of the synaptonemal complex.
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