Genetic Engineering

How does DNA move through a gel during electrophoresis?

• electrical currents
• pores in gel
• buffer solution
• all of the above

Problems with selective breeding include

• Better animals
• More Meat
• Animals can have bad health problems
• more diversity

The purpose of selective breeding is to 

• Get bigger animals
• get smaller animals
• create animals with desirable traits
• create animals with bad traits

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NGSS.HS-LS3-2

NGSS.HS-LS4-3

All of the following statements are reasons for selective breeding except:

• To produce offspring with desirable characteristics
• Farmers increase their profit by improving crops
• To improve the quality of food products
• To increase migration patterns

____ are produced when DNA from another species is inserted into the genome of an organism, which then begins to produce the protein encoded on the recombinant DNA.

• vectors
• plasmids
• transgenic organisms
• gene guns

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NGSS.HS-LS1-1

Polyploidy instantly results in a new plant species because it

• changes a species' number of chromosomes
• produces a hardier species
• causes mutation
• all of the above

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NGSS.HS-LS4-2

One function of gel electrophoresis is to

• separate DNA fragments
• cut DNA
• recombine DNA
• extract DNA

Researchers have been working on cloning animals such as sheep. Which result is most likely to be a negative result such as cloning?

• development of extra organs
• premature death
• a low rate of genetic diseases
• delayed aging

A scientist cloned a goat. Which of these is a true statement about the cloned goat?

• It has new genes and traits
• It lacks the genes for reproduction
• It has the genes that are identical to the original goat
• It looks the same but has different genes.

Tags

NGSS.HS-LS3-1

Based on these results whose blood was found in the blood stain at the crime scene?

• Bob
• Sue
• John
• Lisa