Introduction to Genetics Answers

A forensic scientist is trying to find out the number of adenine bases in the DNA sample that he obtained from a crime scene.What can he assume about the number of adenine?

Which process is part of translation but not transcription?

If a stop codon is like a red traffic light, which is most like a green traffic light during transcription?

Many different types of mutations can occur within the body. Cystic fibrosis is a genetic disorder that is caused by different mutations within the CFTR gene. One mutation in the CFTR gene that leads to cystic fibrosis causes translation to end earlier in the gene sequence. Which type of mutation causes this translation error that leads to cystic fibrosis?

Which is a frameshift mutation?

Which of these is the primary site of protein synthesis?

What was Friedrich Miescher's contribution to the discovery of the genetic code?

How many genes make up the human genome?

What can a person do to limit exposure to X-rays?

A protein called GEF-H1 is known to control immune responses to certain viruses such as influenza A. GEF-H1 is best classified as which kind of protein?

Maria is concerned because she has been exposed to a small amount of radiation during an X-ray. What is her doctor most likely to tell her?

Which best summarizes the process of protein synthesis?

Which of the following correctly organizes these genetic terms in order from smallest to largest?

Which represents a strand of RNA bases?

Lactase is a protein in the digestive tract that helps break down certain sugars found in milk. What is the main function of lactase?

Which best matches a type of genetic material with its description?

Which best describes somatic mutations?

Which statement describes the relationship between transcription and translation?

Which provides the master code needed for protein synthesis?

Which type of mutation occurs only in reproductive cells?