Unit Test — Unit test Answers

How many genes make up the human genome?

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

Which is a frameshift mutation?

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

Meiosis occurs in a series of different phases and creates genetically unique reproductive cells. Which process helps make meiotic cells genetically different and occurs during prophase I, but not during prophase II?

What is the end result of meiosis?

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?

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 correctly describes crossing over?

The illustration below shows the steps of meiosis I. What is the step that is labeled D?

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

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

Based on scientific research, which statement best describes mutations?

Ji wants to write an example of a frameshift mutation using the following sentence: THE CAT SAW THE RAT. Which sentence best shows a frameshift mutation?

Which bases are found in a strand of DNA?

Who is credited with creating the first accurate model of DNA?

How many cell divisions occur during meiosis?

Which is a point mutation and not a frameshift mutation?

Which type of mutation occurs only in gametes?

Which three processes are methods of genetic recombination?