How is recombinant DNA generated?​

Recombinant DNA (or rDNA) is made by combining DNA from two or more sources. ... DNA fragments are cut out of their normal position in the chromosome using restriction enzymes (also called restriction endonucleases) and then inserted into other chromosomes or DNA molecules using enzymes called ligases.

Explanation:

Recombinant DNA (or rDNA) is made by combining DNA from two or more sources. ... DNA fragments are cut out of their normal position in the chromosome using restriction enzymes (also called restriction endonucleases) and then inserted into other chromosomes or DNA molecules using enzymes called ligases.

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several tissues working together form an organ, and several organs together make up an organisms.

the group of cell that carries out special jobs are tissue.

i think that it is c, d, and e, hope this