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The tight pairing of homologous chromosomes during prophase I is called:
ASynapsis
BCytokinesis
CInterkinesis
DApoptosis
Answer & Solution
Correct answer: A. Synapsis
1. In prophase I the homologues come together along their whole length.
2. A lattice of proteins called the synaptonemal complex forms between them.
3. The tight pairing of the homologous chromosomes is called synapsis.
4. Interkinesis is the short gap between the two meiotic divisions.
_Source: OpenStax Biology for AP(R) Courses (CC BY 4.0), Ch 11 'Meiosis and Sexual Reproduction', sections 11.1-11.2_
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