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Question
The synaptonemal complex first appears at
The synaptonemal complex first appears at
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Solution
The correct option is C Zygotene
The synaptonemal complex first appear during zygotene. At this stage, the synapsis of homologous chromosomes takes place, facilitated by assembly of central element of the synaptonemal complex. Individuals of a pair are equal in length and in position of the centromere. Thus, pairing is highly specific and exact. The paired chromosomes are called bivalent or tetrad chromosomes.
The synaptonemal complex first appear during zygotene. At this stage, the synapsis of homologous chromosomes takes place, facilitated by assembly of central element of the synaptonemal complex. Individuals of a pair are equal in length and in position of the centromere. Thus, pairing is highly specific and exact. The paired chromosomes are called bivalent or tetrad chromosomes.
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