Write typical content for a scientific dissertation at the level of a Doctor of Philosophy.
A scientific dissertation for a Doctor of Philosophy (Ph.D.) typically contains the following sections:

1. Introduction: This section provides an overview of the research topic, background information, and the purpose of the thesis. It should also include the research questions, hypotheses, and methodology.

2. Literature Review: This section reviews and critically evaluates the current literature on the research topic, including the theoretical and empirical literature. It should also identify the gaps in the literature and the contributions of the dissertation to the field.

3. Methodology: This section describes the research design, participants, data collection, and data analysis methods. It should also include the ethical considerations and any potential limitations of the study.

4. Results: This section presents the findings of the research, including tables, graphs, and other visual aids as necessary. It should also include any statistical analyses and interpretations of the data.

5. Discussion: This section discusses the implications of the findings for the research topic and the field as a whole. It should also address any limitations of the study and suggest directions for future research.

6. Conclusion: This section summarizes the main findings and implications of the dissertation and identifies the contributions of the study to the field.
References: This section includes a list of all sources cited in the dissertation, following a consistent citation style such as APA, MLA, or Chicago.

7. Appendices: This section includes any additional information, such as survey instruments or data tables, that are not included in the main body of the dissertation.

It's worth noting that the format and content of a dissertation may vary depending on the field and the requirements of the academic institution. Additionally, the length and complexity of a dissertation can vary widely, depending on the scope of the research and the level of detail required.
Provide a response on the topic of genetic engineering using the section template you just provided and focus on the literature review portion.  Get specific on one topic and provide PhD level review of the scientific literature. Suggest an area that is yet unexplored and possible fruitful to pursue a dissertation topic in.