Topic 7 Lessons 3-5

Adenine, Thymine, Guanine and Cytosine are the four _________ bases in DNA.

• nitrogen

• carbon

• oxygen

• iron

The genetic material that carries information about an organism and is passed from parent to offspring is called...

• mRNA

• RNA

• DNA

• tRNA

True or False...

Cystic Fibrosis is an acquired mutation.

• False

• True

The change in any DNA or chromosome is called a...

• protein synthesis

• sequence

• variation

• mutation

The two chromosomes found in a human male are XX.

• True

• False

A negative to genetic information being used is that it could be used to discriminate against individuals.

• False

• True

A positive to genetic information being used is that you can identify individuals and study diseases.

• false

• true

What do you call a difference between individuals of the same species?

• mutation

• sequence

• variation

• protein synthesis

What process causes amino acids to link up to form proteins?

• sequencing

• photosynthesis

• mRNA

• protein synthesis

The two chromosomes found in a human female are XY.

• true

• false