Lampbrush Chromosomes in Oocyte Meiosis

Lampbrush chromosomes are large chromosomes found in oocytes during meiosis. They are best known from lower vertebrates, invertebrates, and birds. Their unusual shape and size make them a useful model for studying chromosome structure and gene activity.

Flemming first observed lampbrush chromosom...

Amphibians, like many other vertebrates, produce female gametes, or ova, which mature and develop within the ovary. 

At one particular developmental stage, meiotic prophase-I, homologous replicated chromosome pairs display a distinct morphology- an enormously extended structure, so gigantic that it can be easily observed under a light mic...