Regents Prep- Topic 3

Front

Where is DNA found and does it stay there?

Back

DNA is found in the nucleus and stays there.

Front

What are genes?

Back

Genes are DNA's sequence of bases that code for a protein.

Front

What are chromosomes and what are they made of?

Back

Chromosomes have thousands of genes on them and are made of DNA.

Front

What is a mutation?

Back

A mutation is an error in the DNA sequence that causes a mistake in the order of amino acids in a protein.

Front

What is selective breeding?

Back

Selective breeding is when humans choose organisms to mate in order to get the desired traits in offspring.

Front

What is recombinant DNA and how is it made?

Back

Recombinant DNA can be made by cutting DNA using restriction enzymes and inserting genes into another organism's DNA.

Front

What is gel electrophoresis used for?

Back

Gel electrophoresis is used to separate fragments of DNA by size, with smaller fragments moving through the gel faster than larger ones.