new content - genetics

[ttyler01]

This pull request adds a substantial new section on gain-of-function evolutionary genetics to the genetics.md file. It introduces curated references and explanatory text covering mechanisms such as gene innovation, horizontal gene transfer, and convergent molecular evolution, with a focus on case studies like polar ice fish adaptations and the human-specific ARHGAP11B gene.

Key additions include:

Gain of Function and Gene Innovation:

• Added a new "Gain of Function" section featuring references on the evolutionary resurrection of flagellar motility, transcription factor innovation, gene fusion events (e.g., TRIMCyp), and horizontal gene transfer in whiteflies, providing a broad overview of mechanisms for functional genetic gains.

Case Studies in Molecular Evolution:

• Introduced a detailed subsection on polar ice fish adaptations, explaining the convergent evolution of antifreeze proteins via different genetic mechanisms in Antarctic and Arctic species, with supporting references.
• Added a subsection on the human-specific ARHGAP11B gene, including references to its discovery and experimental studies demonstrating its role in neocortical expansion.

Reference Expansion:

• Curated and annotated multiple new primary literature references to support the new sections, enhancing the resource value of the list for readers interested in evolutionary genetics.

[github-actions]

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/github/workspace/genetics.md:6 error MD025/single-title/single-h1 Multiple top-level headings in the same document [Context: "Awesome Genetics List"]
/github/workspace/genetics.md:23:401 error MD013/line-length Line length [Expected: 400; Actual: 703]
/github/workspace/genetics.md:31:401 error MD013/line-length Line length [Expected: 400; Actual: 441]
/github/workspace/genetics.md:37:401 error MD013/line-length Line length [Expected: 400; Actual: 431]
/github/workspace/genetics.md:53:401 error MD013/line-length Line length [Expected: 400; Actual: 460]

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Pull request overview

Adds a new “Gain of Function” section to genetics.md, expanding the awesome list with curated evolutionary genetics references and two case-study subsections (polar ice fish adaptations and ARHGAP11B).

Changes:

• Introduces a new H2 section (“Gain of Function”) with several annotated primary literature references.
• Adds two new H3 subsections providing explanatory context and additional citations (polar ice fish; ARHGAP11B).
• Expands the genetics resource coverage beyond the existing cetartiodactyl/whales-focused entries.