Anthony B

21 Maret 2022 13:50

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Anthony B

21 Maret 2022 13:50

Pertanyaan

A Copying Machine for Living Beings? Without any doubt, if there had been elections for the animal of the year 1997, Dotly would have been the winner! Dolly is a Scottish sheep that you see in the photo. But Dolly is not just a simple sheep. She is a clone of another sheep. A done means: a copy. Cloning means copying 'from a single master copy: Scientists succeeded in creating a sheep (Dolly) that is identical to a sheep that functioned as a 'master copy'. It was the Scottish scientist lan Wilmut who designed the 'copying machine' for sheep. He took a very small piece from the udder of an adult sheep (sheep 1 ). From that small piece he removed the nucleus, then he transferred the nucleus into the egg-cell of another (female) sheep (sheep 2). But first he removed from that egg-cell all the material that would have determined sheep 2 characteristics in a lamb produced from that egg-cell. Ian Wilmut implanted the manipulated eggcell of sheep 2 into yet another (female) sheep (sheep 3). Sheep 3became pregnant and had a lamb: Dolly. Some scientists think that within a few years it will be possible to clone people as well. But many governments have already decided to forbid cloning of people by law. In paragraph 2 the part of the udder that was used is described as a very small piece. That very small piece refers to ____ A. a cell B. a gene C. a cell nucleus D. a chromosome

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D. Nur

Master Teacher

Mahasiswa/Alumni Universitas Singaperbangsa Karawang

23 Maret 2022 03:40

Jawaban terverifikasi

Halo, Arka. Kakak bantu jawab, ya. Jawaban untuk soal ini adalah A. a cell. Soal ini menanyakan maksud dari bagian yang sangat kecil (a very small piece) pada paragraf 2. Perhatikan kalimat 2 di paragraf 2 berikut: "He took a very small piece from the udder of an adult sheep (sheep 1 )" artinya "Dia mengambil bagian yang sangat kecil dari kelenjar ambing pada domba dewasa (domba 1)". Perlu diketahui bahwa teks di soal ini membahas tentang kloning domba. Kloning pada domba tersebut dimulai dengan proses pengambilan sel dari kelenjar ambing domba dewasa. Hal ini diperkuat dengan isi kalimat 3 di paragraf 2 berikut: "From that small piece he removed the nucleus, ..." artinya "Dari bagian kecil itu, dia menghilangkan inti sel, ..." Inti sel atau nukleus terletak di tengah sel. Oleh karena itu, dapat ditentukan bahwa bagian sangat kecil (a very small piece) yang dimaksud pada kalimat 2 dan 3 di paragraf 2 merujuk pada 'sel' atau 'a cell' seperti di opsi A. Jadi, jawaban untuk soal ini adalah A. a cell.


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Ahmad R

Level 1

16 September 2022 07:57

Which sheep is Dolly Identical to? a. sheep 1 b. sheep 2 c. sheep 3 d. Dolly's father


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