Unit Test Answers

Consider the diagram.Which process is represented?

Which base is found only in DNA?

Which agent would cause the least damage to a chromosome?

Fragile X syndrome, characterized by mental retardation, is caused by which chromosomal change?

Which is an agent that causes a mutation in DNA or chromosomes?

Francois Jacob and Jacques Monod studied Escherichia coli (E. coli) bacteria by using lab experimentation. What revision to their initial hypothesis did they come up with?

What does DNA provide the code for?

Missense, nonsense, and silent mutations are examples of which type of mutation?

Which does not occur during translation?

Photo 51 is a picture of the structure of DNA that was used to create a model of DNA. Who created the photo?

A scientist observes a pair of separate chromosomes that have genes for the same trait arranged in the same order. However, some of the alleles for the genes are different. What is the scientist most likely observing?

Which accurately describes the relationship between cancer risk and exposure to mutagens?

Which diagram correctly shows how homozygous alleles are found on homologous chromosomes?

What does a karyotype show?

Which of the following difference between DNA and RNA allows them to perform their unique functions?