DNA Mutations Assignment And Quiz

Read the article and use the information to answer the following questions. Cystic Fibrosis Cystic fibrosis is genetic, meaning it can be passed from parent to child. What type of mutation causes cystic fibrosis? somatic mutation germline mutation silent mutation

Read the article and use the information to answer the following questions. Cystic Fibrosis List four symptoms associated with cystic fibrosis.

Read the article and use your understanding to answer the question that follows. Tanning Beds What type of UV light is used in tanning beds, and why is it so dangerous?

Which best describes somatic mutations? They are usually passed on to offspring. They can cause different kinds of cancer. They always result from point mutations. They only occur in reproductive cells.

Why is UVA light considered a mutagen? It penetrates the skin and can cause mutations. It can be prevented by wearing a protective vest. It produces chemicals that can be inhaled. It is found in synthetic dyes and cosmetics.

Many different types of mutations can occur within the body. Sickle cell anemia is a disease that occurs when a mutation in a base pair of the hemoglobin beta gene causes a single replacement of the amino acid glutamic acid by the amino acid valine. As a result of this mutation, the individual's blood cells take on a sickle shape under certain conditions and form clusters that can block blood vessels and cause organ damage. mc017-1.jpg mc017-2.jpg Which type of mutation causes sickle cell anemia? silent missense insertion frameshift

Many different types of mutations can occur within the body. Tay-Sachs disease is a deadly disorder that is caused by a missing codon in the gene coding for production of the hex A enzyme in the body. Which type of mutation is responsible for causing Tay-Sachs disease? substitution replacement insertion deletion

A base sequence reads AAGTCG before a mutation. Which could be the base after a frameshift mutation occurs? AGTCG AAGTCG AGGTCG AACTGAC

Which type of mutation cannot occur in a child after birth? germline mutation somatic mutation point mutation frameshift mutation

Which is considered a chemical mutagen? tanning beds tobacco X-rays precious metals

The DNA sequence reads ACGTTCATT before a mutation occurs. After the mutation, the DNA sequence reads ATCGTTCATT. Which type of mutation occurred? substitution insertion deletion point

Which statement is scientifically based? Mutations rarely occur. All mutations are harmful. Some mutations can be contagious, like infections. Mutations are not passed from parent to offspring.

A mutagen is a living thing that has undergone a mutation. an agent that causes a mutation in DNA. a mutation that has affected one gene. a chemical that can poison living cells.