synapsis造句
31. Ovarian nurse cell polytene chromosomes of F1 hybrid females were examined, to observe any synapsis in different zones of chromosomes.
32. Synapsis (pairing) The association of homologous chromosomes during the prophase stage of meiosis that leads to the production of a haploid number of bivalents.
33. Before synapsis, chromatin fibers condense at the chromosome axes forming the chromomeres.
34. Pairing of homologous chromosomes (synapsis) commences at one or several points on the chromosome and is clearly seen during PACHYTENE of meiosis I.
35. After synapsis, unwound chromatin fibers in the form of loops are in association with the lateral elements.
36. Changes in the number and function of synapsis can cause changes in synaptic plasticity, thereby can affect learning and memory.
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