what type of mutation can be avoided when doing the following: 1. Eating healthy foods 2. avoiding too much sunlight and radiation from phones 3. no smoking 4. wearing proper equipments when dealing with chemicals
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- Although it is well known that X-rays cause mutations, they are routinely used to diagnose medical problems, including potential tumors, broken bones, and dental cavities. Why is this done? What precautions need to be taken?which of the following statements accurately describes genetic mutationsA mutation is most often cause by which of the following factors? a) Sunlight b) Smoking c) Random Copy error d) Radiation
- Is a random mutation more likely to be beneficial or harmful?Explain your answer.Which of the following best describes this type of mutation? Original – CCU-GAU-GAG-UCA Mutated – CCU-GAU-GAG-UGA* Please choose one correct answer only A. Missense B. Nonsense C. Silent D. FrameshiftWhich of the following can only arise as a spontaneous mutation? Group of answer choices Gamma rays penetrate tissue and damage DNA Base analogs cause DNA to pair with the wrong base. Reactive forms of oxygen damage DNA In replication, thymine mispairs with guanine Nitrous acid deaminates cytosine
- Which type of mutation involves only one base pair?a. insertionb. deletionc. inversiond. substitutionIs each of the following mutations a silent, missense, nonsense, orframeshift mutation? The original DNA strand is 5′–ATGGGACTAGATACC–3′. (Note: Only the coding strand is shown; the firstcodon is methionine.)A. 5′–ATGGGTCTAGATACC–3′B. 5′–ATGCGACTAGATACC–3′C. 5′–ATGGGACTAGTTACC–3′D. 5′–ATGGGACTAAGATACC–3′What kind of mutation normally has no consequence? please explain the answer a.transversions b.insertion c.silent d.nonsense
- What are point mutations? Of the different mutations, which is the most deleterious? Justify your answer with suitable genetic disease.List two specific causes of DNA mutations. - environmental agents like ultraviolet light or ionizing radiation - chemicalsWhich of the following mutations involve the loss of one or more nucleotides from a gene sequence? a.Base-pair substitution b.Insertion c.Deletion
