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Gene Expression and DNA Sequences Quiz

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Questions and Answers

What do genes specify?

The color of an organism's eyes

The sequence of nucleotides in DNA

Functional products, such as proteins (correct)

The number of chromosomes in an organism

What are genes?

Long, boring strings of nucleotides in DNA

Functional units in DNA that provide instructions for a molecule needed to perform a job in the cell (correct)

Structural components of chromosomes

Segments of RNA that help in protein synthesis

How does the sequence of nucleotides in DNA affect an organism's features?

By controlling the organism's behavior

By directly determining the physical characteristics of the organism

By providing instructions for functional products, such as proteins (correct)

By influencing the number of chromosomes in the organism

What is the functional product of many genes?

Proteins Signup and view all the answers

What does a DNA molecule consist of?

Functional units called genes Signup and view all the answers

What is the primary function of DNA in determining an organism's characteristics?

Directing the production of proteins that contribute to the organism's features Signup and view all the answers

How does the sequence of nucleotides in DNA influence an organism's traits?

By determining the sequence of amino acids in proteins, which affects the organism's characteristics Signup and view all the answers

In the context of genetic inheritance, what role does DNA play in determining the color of Mendel's pea plants' flowers?

It encodes information for proteins involved in flower pigmentation Signup and view all the answers