Here are a few description options for the WordPress post_tag “基因” (Genetics) in Traditional Chinese, ranging in formality and focus:

**Option 1: Concise & Informative**

* **Description:** 探討生物體內控制性狀的遺傳因子，包括DNA、染色體及它們的功能。 (Discusses the hereditary factors that control traits in organisms, including DNA, chromosomes, and their functions.)

**Option 2: Slightly More Detailed**

* **Description:** 涵蓋生物學中基因的各個方面，包括基因結構、基因表達、基因變異和基因工程。 (Covers various aspects of genetics in biology, including gene structure, gene expression, gene variation, and genetic engineering.)

**Option 3: Focus on Application & Impact**

* **Description:** 探索基因在生命科學、醫學、農業和社會上的重要性，以及基因技術的應用和影響。 (Explores the importance of genetics in life sciences, medicine, agriculture, and society, as well as the applications and impacts of genetic technology.)

**Option 4: Emphasis on Research & Discovery**

* **Description:** 介紹關於基因的研究和最新進展，包括基因組學、生物信息學和基因編輯等領域。 (Introduces research and recent advancements related to genetics, including genomics, bioinformatics, and gene editing, etc.)

**Option 5: Simple & Direct (suitable for a broad audience):**

* **Description:** 關於生物遺傳的關鍵概念和研究。 (Key concepts and studies related to biological inheritance.)

**When choosing, consider:**

* **Your Audience:** Who are you writing for? Scientists? The general public?
* **The Purpose of the Tag:** What are you *expecting* people to find when they click on this tag?
* **SEO:** While a description can help, the tag itself (“基因”) is the primary keyword. If you are aiming for better SEO, try to incorporate strong, relevant keywords in the description (e.g., “DNA,” “遺傳,” “基因工程”).

You can change the format slightly to better fit the style of your blog. They are each a strong starting point. Good luck! (加油!)