DNA, Genes, and Chromosome Quiz A
Match the following definitions to the correct vocabulary term.
____ 1.) DNA
A.) Condensed or compact “rod” of DNA that
carries genetic information.
____ 2.) Gene
B.) A segment of DNA that controls protein production.
____ 3.) Chromosome
C.) Deoxyribo Nucleic Acid; helical molecule that
carries the genetic information of an organism and is
passed from parent to offspring.
Write the letter on the line of the choice that best answers each question.
_____ 4.) How many nitrogenous bases are there in DNA?
A.)
B.)
C.)
D.)
1
2
3
4
_____ 5.) Which of the following is not a nitrogenous base found in DNA?
A.) Adenine
C.) Guanine
B.) Cytosine
D.) Uracil
_____ 6.) DNA is made up of Nitrogenous base pairs. The bases bond in which of the following
patterns?
A.)
B.)
C.)
D.)
Adenine – Thymine; Cytosine – Guanine
Adenine – Cytosine; Guanine – Thymine
Adenine – Guanine; Cytosine – Thymine
Adenine – Guanine; Cytosine – Taurine
_____ 7.) DNA looks like a “twisted ladder”. If the “rungs” of the ladder are made up of
nitrogenous bases, what are the hand rails or backbone of the ladder made up of?
A.) Sugars and Salts
C.) Sugars
B.) Phosphates
D.) Sugars and Phosphates
_____ 8.) Where is DNA located in the cell?
A.) Mitochondria
B.) Cell Membrane
C.) Nucleus
D.) Golgi Body
_____ 9.) How many chromosomes do we get from our mother?
A.) 46
C.) 22
B.) 23
D.) 20
_____ 10.) Who is credited with discovering the structure of DNA?
A.) Crick and Neck
C.) Watson and Franklin
B.) Watson and Crick
D.) Holmes and Watson
_____ 11.) A baby is XY for the gender or sex chromosome. That baby will be a
____________.
A.) Boy
C.) Puppy
B.) Girl
D.) Can’t tell
12 -16: Label the parts of the following diagram and complete the DNA and RNA sequence by filling
in the missing Nitrogenous bases.
17.)
18.)
(The D in DNA and the R in RNA) = _____________________________
(PO4-3) = _____________________________________
19 -22. Fill in the boxes below to illustrate the continuum of protein production
Ribosome
Nucleus
Transcription
RNA
Translation
DNA
Use one of the words above to complete each statement.
23.) RNA is “read” and turned into a protein during the process of
_____________________________________. This process occurs in the
__________________________________.
24.) DNA is converted into RNA during the process of DNA
_____________________________________. This process occurs in the
__________________________________.
****Bonus*****
1.) What is the 3 letter sequence that codes for an amino acid called?
2.) What type of bonds hold together the amino acid chain?
3.) Correctly spell 1 amino acid.
4.) What does the T in tRNA stand for?
5.) What disease is caused by misshaped red blood cells that prevent oxygen from
properly reaching other parts of the body?
6.) Adenine and Guanine have single ring structures and are called
______________________________. Cytosine and Thymine are double-ringed
structures and are called ___________________________.