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Genetic Engineering and Chromosomal Mutations

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Genetic Engineering and Chromosomal Mutations

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Questions and Answers

What type of chromosomal mutation involves the loss of a DNA segment?

Inversion

Deletion (correct)

Translocation

Duplication

Which chromosomal mutation occurs when a segment is transferred to a non-homologous chromosome?

Inversion

Deletion

Translocation (correct)

Duplication

What is a characteristic outcome of unequal crossing-over during meiosis?

Gene sequences are lost from both chromosomes

Only duplications occur

One chromosome gains genes while the other loses them (correct)

Only inversions occur

What happens during an inversion mutation?

A segment is rotated and then reinserted Signup and view all the answers

What role do restriction enzymes play in genetic engineering?

They create sticky ends by cutting DNA at specific sequences Signup and view all the answers

What is the primary purpose of combining a plasmid with a purified DNA fragment?

To create recombinant DNA Signup and view all the answers

What happens after recombinant DNA is formed?

It is transferred to a bacterial cell Signup and view all the answers

What type of proteins can be produced by bacteria after they receive recombinant DNA?

Desired proteins like insulin Signup and view all the answers

Which step follows the integration of DNA into a plasmid?

Recombinant DNA is transferred to a bacterial cell Signup and view all the answers

What is the role of bacteria in the context of recombinant DNA technology?

To produce proteins or transfer gene copies Signup and view all the answers