Bill Nye Genes and DNA Flashcard

Front

What is the primary function of RNA in cells?

Back

Transports genetic code.

Front

How many chromosomes do humans have?

Back

46.

Front

How many genes do humans have?

Back

Approximately 80,000.

Front

What is the result of mutations in genes?

Back

Variation in species.

Front

What is the purpose of DNA in living creatures?

Back

Contains blueprints for life.

Front

What are chromosomes made of?

Back

DNA and proteins.

Front

What is the structure of DNA?

Back

A double helix.

Front

What is a gene?

Back

A segment of DNA that codes for a protein.

Front

What is the role of DNA in heredity?

Back

It is passed from parents to offspring, determining traits.

Front

What is a mutation?

Back

A change in the DNA sequence.