208 מילים · אחרי התיכון · 3 שאלות הבנה עם הסבר בעברית
For decades, the genetic code of a living organism was a slow, expensive, and task. That changed dramatically with the arrival of a tool known as CRISPR, which has transformed genetics into one of the most fast-moving fields in modern science. CRISPR is often described as a pair of molecular scissors. Guided by a small strand of genetic material, it can locate a precise within an organism's DNA and cut it at exactly that point. Once the cut is made, scientists can disable a gene or insert a corrected version in its place. Remarkably, the underlying mechanism was borrowed from bacteria, which use it as a defence against invading viruses. The potential applications are extraordinary. Researchers hope to cure diseases, develop crops that resist , and eliminate pests that spread illness. Early trials have already restored sight and treated blood disorders that were once considered untreatable. Yet such power raises difficult questions. Editing the genes of an , for instance, would affect not only that individual but every future generation. Where should society draw the line between healing and ? As the technology advances, scientists and the public alike must weigh its breathtaking promise against risks we do not yet fully understand.
How is CRISPR often described in the text?
Where did the CRISPR mechanism originally come from?
Why does editing the genes of an embryo raise special ethical concerns?
אפשר לבדוק את עצמך — לכל שאלה ההסבר בעברית
How is CRISPR often described in the text?
A pair of molecular scissors
הטקסט מתאר את CRISPR כזוג מספריים מולקולריים שיכולים לחתוך רצף מדויק ב-DNA.
Where did the CRISPR mechanism originally come from?
Bacteria, which use it to defend against viruses
המנגנון הושאל מחיידקים, שמשתמשים בו כהגנה מפני וירוסים תוקפים.
Why does editing the genes of an embryo raise special ethical concerns?
It would affect every future generation, not just one individual
עריכת גנים של עובר תשפיע לא רק על אותו אדם אלא על כל הדורות הבאים, ולכן היא מעלה שאלות מוסריות קשות.
רוצים לענות על השאלות ולשמור מילים? הצטרפו לזיקית — חינם.
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