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Badges
Besides gaining reputation with your questions and answers, you receive badges for being especially helpful. Badges appear on your profile page, and your posts.
| Autobiographer | 2 awarded users | Completed own biography |
| Popular Question | 1 awarded users | Asked a question with at least 150 views |
| Notable Question | 1 awarded users | Asked a question with at least 250 views |
| Famous Question | 1 awarded users | Asked a question with at least 500 views |
| Student | 1 awarded users | Asked first question with at least one up vote |
| Editor | 1 awarded users | First edit |
| Supporter | 1 awarded users | First upvote |
| Credible Question | 0 awarded users | Question set as favorite by 1 user |
| Favorite Question | 0 awarded users | Question set as favorite by 5 users |
| Stellar Question | 0 awarded users | Question set as favorite by 25 users |
| Nice Question | 0 awarded users | Question voted up 4 times |
| Good Question | 0 awarded users | Question voted up 6 times |
| Great Question | 0 awarded users | Question voted up 15 times |
| Scholar | 0 awarded users | Asked a question and accepted an answer |
| Teacher | 0 awarded users | Received at least 3 upvote for an answer for the first time |
| Nice Answer | 0 awarded users | Answer voted up 4 times |
| Good Answer | 0 awarded users | Answer voted up 6 times |
| Great Answer | 0 awarded users | Answer voted up 15 times |
| Enlightened | 0 awarded users | Answer was accepted with 3 or more votes |
| Guru | 0 awarded users | Answer accepted with 15 or more votes |
| Self-Learner | 0 awarded users | Answered own question with at least 4 up votes |
| Commentator | 0 awarded users | Posted 10 comments |
| Pundit | 0 awarded users | Left 10 answers with score of 10 or more |
| Chief Commentator | 0 awarded users | Posted 100 comments |
| Taxonomist | 0 awarded users | Created a tag used by 15 questions |
| Critic | 0 awarded users | First downvote |
| Disciplined | 0 awarded users | Deleted own post with 3 or more upvotes |
| Peer Pressure | 0 awarded users | Deleted own post with 3 or more downvotes |
隨時(shí)了解最新的技術(shù)快訊
關(guān)于這個(gè)技術(shù)問答社區(qū)
CRISPR / Cas9系統(tǒng)是用于基因編輯的RNA引導(dǎo)核酸內(nèi)切酶技術(shù)。該系統(tǒng)需要包含與PAM（Protospacer Adjacent Motif）位點(diǎn)相鄰的20bp靶序列的指導(dǎo)RNA（gRNA），以將Cas9核酸內(nèi)切酶引導(dǎo)至切割位點(diǎn)。Geneious中的Find CRISPR網(wǎng)站工具將搜索所選基因中的gRNA（“CRISPR”）位點(diǎn)，并在您感興趣的基因組中搜索脫靶結(jié)合位點(diǎn)。選定序列中的每個(gè)CRISPR站點(diǎn)根據(jù)它可能會(huì)綁定到多少個(gè)脫離目標(biāo)站點(diǎn)以及脫離目標(biāo)站點(diǎn)與原始序列的相似程度進(jìn)行評(píng)分。
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