Unit 11 Genetic Technology Review

The corn we eat today is larger and has more kernels than the corn people first grew thousands of years ago. Which process is most likely responsible for the changes that have occurred?

• mitosis

• succession

• direct harvesting

• selective breeding

Selective breeding is a genetic engineering technique that creates organisms with

• the same genes

• desirable traits

• 50% of the same genes as the parent

• 25% of the same genes as the parent

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What is genetic technology?

• practices/techniques used to alter/manipulate the genetic material of an organism to produce a specific trait

• practices/techniques used to determine the likelihood of contracting a particular disease

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The following image shows

• cloning, so the new plant is genetically different

• cloning, so the new plant is genetically identical

• selective breeding, so the new plant is genetically different

• selective breeding, so the new plant is genetically identical

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Which image depicts cloning?

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Which image depicts gene splicing?

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What occurs in gene splicing?

• a specific gene is removed from the DNA of one organism and inserted into the DNA of another organism to produce a specific protein

• the entire nucleus is removed from a cell and entered into an egg cell of a different organism to create genetically identical offpsring

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How does gene splicing allow for mass production of insulin in laboratories?

• The insulin gene is removed from human DNA and inserted into bacterial DNA, resulting in a combination of different DNA.

• The human gene is removed from bacterial DNA and inserted into human DNA, resulting in a combination of same DNA.

• The bacterial gene is removed from bacterial DNA and inserted into human DNA, resulting in a combination of different DNA.

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Which two individuals are the most similar based on this image of a completed gel electrophoresis?

• W and X

• W and Z

• X and Y

• W and Y

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What type of genetic technology allows for analysis of DNA fragments to determine relationships?

• gene splicing

• gel electrophoresis

• cloning

• selective breeding