Final answer:
The oogenetic stage of oocytes in follicles destined for atresia is primarily at the primary oocyte stage, arrested in prophase I of meiosis. These oocytes do not experience the LH surge necessary to resume meiosis and become secondary oocytes, which only occurs in the dominant Graafian follicle.
Step-by-step explanation:
In response to your question about the oogenetic stage of oocytes in follicles destined for atresia, it is important to understand the process of folliculogenesis and how it relates to the LH surge. In the ovarian cycle, oocytes begin in primordial follicles as primary oocytes, which are arrested in the prophase I stage of meiosis. As the cycle progresses, some follicles develop into primary, secondary, and then tertiary follicles under the influence of follicle-stimulating hormone, or FSH.
However, most of these developing follicles undergo atresia due to a drop in FSH and LH levels, triggered by negative feedback from estrogen. These primary oocytes within the atresia-destined follicles remain arrested in prophase I and do not proceed to become secondary oocytes because they do not experience the LH surge that induces the completion of meiosis I and initiation of meiosis II which occurs only in the Graafian follicle. Therefore, the oocytes in atretic follicles remain in the primordial or primary stages.