Genetic Mutations: Mastery Test |5 Accurate Questions and Answers

Genetic Mutations: Mastery Test |5
Accurate Questions and Answers
Mutations in certain genes of bacteria cause them to be resistant to powerful
antibiotics. What type of mutation is this for the bacteria? - -beneficial

- How are the mutations in a genome similar to printing a book? - -Errors
that appear in one copy can be copied to all other copies of the book.

- A bacterium was found to contain a sequence of ATCGGGATCCT in its
genome. A few generations later, the sequence was found to be
ATCGGGGGGATCCT. What type of mutation caused this change in the
bacteria? - -duplication

- Sickle cell disease is passed on from parent to offspring. Sickle cell disease
is an ----- disease. Some carriers of the disease exhibit increased resistance
to malarial parasites. This resistance is a ------ mutation - -1. inherited
2. beneficial

- A scientist introduced mutations in a gene sequence isolated from
bacteria. Study the sequence, and identify the steps where the mutations
may affect the formation of proteins. In the sequence, black letters stand for
protein coding regions and red letters stand for noncoding regions. - -1.
protein may be changed

2. protein will not be changed

3. protein may be changed

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