DNA Profiling

Front

What are alternate forms of a trait called?

Back

Alleles are alternate forms of a trait that can exist at a specific locus on a chromosome.

Front

In a DNA fingerprint, which pieces travel the farthest?

Back

The shortest pieces of DNA travel the farthest during electrophoresis.

Front

Which nitrogenous base does Adenine bond with in DNA?

Back

Adenine always bonds with Thymine in DNA.

Front

How do the following nucleotides pair: ACCTGATGGAC?

Back

The nucleotides pair as TGGACTACCTG.

Front

What does PCR stand for and what is its function?

Back

PCR stands for Polymerase Chain Reaction, and it amplifies or makes numerous copies of DNA.

Front

What is the role of electrophoresis in DNA profiling?

Back

Electrophoresis is used to separate DNA fragments based on their size.

Front

Define a locus in genetics.

Back

A locus is the specific physical location of a gene or DNA sequence on a chromosome.

Front

What is the significance of DNA profiling in forensic science?

Back

DNA profiling is used to identify individuals based on their unique DNA patterns, aiding in criminal investigations.

Front

What are exons?

Back

Exons are the coding regions of a gene that are expressed and translated into proteins.

Front

What is the difference between DNA and RNA?

Back

DNA is double-stranded and contains deoxyribose sugar, while RNA is single-stranded and contains ribose sugar.