Medical Quiz

DNA Structure and Function Quiz


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How many sets of chromosomes do humans have?

A. 13

B. 23

C. 33

D. 43


The proteins found in DNA are

A. adenine, thymine, chromatin, guanine

B. adenine, thymine, cytosine, guavanine

C. adenine, thymine, cytosine, guanine

D. adenosine, thymine, cytosine, guanine


DNA directs the sequencing of

A. amino acids

B. fats

C. ribosomes

D. traits


The DNA shape is

A. rectangular

B. circular

C. triangular

D. spiral


A change in the DNA sequence is called a

A. replication

B. translation

C. multiplication

D. mutation


The protein adenosine is paired with

A. thymine

B. guanine

C. cytosine

D. all of the above


Why is DNA called the blueprint of life?

A. it contains genetic information which is important for trait inheritance

B. it contains unwanted traits that could be inherited

C. it holds the instructions for an organism’s or each cell’s development and reproduction

D. all of the above


What is the sex cell for females

A. XX

B. XY

C. YX

D. YY


Genes are found in

A. cytoplasm

B. chromosome

C. mitochondria

D. ribosome


Who is the father of modern genetics?

A. James Watson

B. Charles Darwin

C. Gregor Mendel

D. Herb Boyer


Most mutations in the DNA are considered

A. harmful

B. beneficial

C. no effect

D. unbelievable


Identical twins have exactly the same traits because…

A. they have exactly the same genes

B. they have exactly the same mother

C. they have exactly the same father

D. they have exactly the same traits




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