DNA and Modern Genetics

What is the shape of DNA called?

• single helix

• double helix

• triple helix

• quadruple helix

Where is an organism’s DNA located in a cell?

• mitochondrion

• cytoplasm

• nucleus

• ribosome

Which are the correct base pairs in DNA?

• thymine-adenine and guanine-cytosine

• thymine-guanine and adenine-cytosine

• thymine-cytosine and guanine-adenine

• thymine-uracil and guanine-adrenaline

All of the DNA that makes up an organism is called...

• cells
• nucleus
• genetics
• genome

Inside the cell is a nucleus, inside the nucleus are chromosomes, inside chromosome are?

• genomes
• DNA
• phenotype
• code

Gregor Mendel studied heredity using plants.

• rose

• pea

• maize

• tundra

DNA fingerprinting can be used to

• test for genetic disorders

• engineer drugs to fight cancer

• eliminate criminal suspects

• cure certain genetic diseases

Alice is studying biological molecules. She has isolated a molecule and identified the nucleotide bases adenine, cytosine, guanine, and thymine. Which molecule did Alice isolate?

• DNA

• mRNA

• rRNA

• tRNA

Sickle cell disease results from

• A cancer

• Increased blood flow to body tissues

• A loss of white blood cells

• A mutation

During which process do amino acids join to form a protein?

• mutation

• transcription

• translation

• replication