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23andMe is the first and only genetic service available directly to you that includes reports guide your life style. If you don't like your genes, you can change. No doubt, CRISPR/Cas8 system will help lead to the old Chinese way to change human fate, but for better or worse - only God knows. Heckuva unknown to me: Human acts as force of natural selection - fear nature or not fear nature? Your choice!
~~
“科學家” 俞強的基因宿命論,以此存照。
已有 3076 次閱讀 2014-4-6 20:50 |係統分類:觀點評述 推薦到群組
剛看到此文。什麽是命運?命運能被改變嗎?——和一個考研生的對話
老俞居然成了基因宿命論鼓吹者。 科學網竟然推薦。 甚至有人評價:”看得出來您是一個好老師“。如果科學網上是中國科學界的一個反映的話, 真是令人可歎!
以科學家的名義寫此類毫無科學依據,主觀杜撰的論點,害人匪淺!老俞是不是下一步可以基因算命了?是不是也準備申請專利?
以此存照。
Clustered regularly interspaced short palindromic repeats (CRISPR, pronounced crisper[2]) are segments of prokaryotic DNA containing short repetitions of base sequences. Each repetition is followed by short segments of "spacer DNA" from previous exposures to a bacteriophage virus or plasmid.[3]
The CRISPR/Cas system is a prokaryotic immune system that confers resistance to foreign genetic elements such as those present within plasmids and phages,[4][5][6] and provides a form of acquired immunity. CRISPR spacers recognize and cut these exogenous genetic elements in a manner analogous to RNA interference in eukaryotic organisms.[3] CRISPRs are found in approximately 40% of sequenced bacterial genomes and 90% of sequenced archaea.[7][note 1]
The use of CRISPR for editing genes[8][9] was the AAAS's choice for breakthrough of the year in 2015.[10]
The CRISPR interference technique has enormous potential application, including altering the germline of humans, animals, and other organisms and modifying the genes of food crops. By delivering the Cas9 protein and appropriate guide RNAs into a cell, the organism's genome can be cut at any desired location.[11][12][13] CRISPRs have been used in concert with specific endonuclease enzymes for genome editing and gene regulation in species throughout the tree of life.[14] Ethical concerns have been expressed about the prospect of using this nascent biotechnology for editing the human germline