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All mutations .
a. result from radiation
b. lead to evolution
c. are caused by DNA damage
d. change the DNA sequence
Step by step
Solved in 2 steps
- d. a. It codes for more than 20% of respiratory chain c. One set is inherited from both maternal and paternal DNA? codes for more than 20% of respiratory chain a. enzymes are coded chromosomes each d It is less prone to mutations than human DNAC. Two mutations are known in the population, one shaded in yellow and one in blue, shown on the TEMPLATE DNA sequence below. Ursula has a mutation in the yellow- shaded underlined nucleotide: instead of an A in this position, she has a T. 5' AATCATAACTCATTG 3' What type of mutation does Ursula have? Second position First position (5 000 0 UUU UUC phe UUA UUG COU leu CỰU CUC CUA COO CUG ADO AUU AUC ile nov AUA AUG met GUU GUC GUA GUG val UCU UCC UCA ser UCA UCG COU CCU cce CCC CCA pro CCA CCG ACU www ACC ACA ACG GCU GCC GCA GCG thr ala UAU tyr UAC UAA Stop UAG Stop CAU CAC his CAC CAA gin CAG AAU AAC asn AAC AAA lys AAG GAU GAC asp glu GAA GAG UGU UGC cys UGA Stop UGG trp CGU Missense Silent Nonsense Frameshift CGC CGA arg CGA CGG AGU AGC AGA AGG GGU GGC GGA GGG Initiation Termination ser arg gly DUAG DUMU DUAU DUAG Third position (3-end)A. Changes and damages to the DNA is permanent and has no remedy.B. Damage to the DNA can be reversed via replacing the damaged nucleotides in the DNA sequence. a. Statement A is correctb. Statement B is correctc. Both A and B are correctd. Both A and B are incorrect
- USE A CODON TABLE to help answer the next set of questions. Below is the TEMPLATE strand of DNA for a particular gene. Template strand: 5' AATCATAAСТСАТTG 3'Induced mutations A. are a random change in the DNA arising from errors in replications B. are a result of exposure to a mutagen C. always have a positive effect on the organism D. always have a negative effect on the organismGive an example of a benefit of genetic engineering to society anda possible adverse outcome. Discuss.b. Give an example of an ecological benefit and a possible adverseside effect. Discuss.
- List the agents in the environment that can change DNA or increase the frequency of mutations. 2. Define mutation. 3. Define a Point mutation and give an example. 4. What is sickle cell anemia and what causes it. 5. What is nondisjunction? How does nondisjunction cause disorders? 6. What is Gene translocation? 7. Would a mutation in one of your muscle cells affect your offspring? Why or why not? 8. What 3 things can individuals do to protect themselves from developing mutations?M. where specific parts of the DNA is changed into 2. A gene codes for I J. complementary base pairs on DNA molecules. K. an RNA molecule. L. sequences of polypeptides on DNA molecules. M. an amino acid molecule. 3. The cells of a single organism are J. all genetically identical in all the parts of the body.A mutation is best defined as _____ in the nucleotide sequence of a gene. A any change B a beneficial change C a harmful change
- Which of the following is NOT true about mutations? A. Mutations can be harmful but not beneficial to the cell B. Nucleotide substitution in DNA can cause nonsense mutations C. Nucleotide substitution in DNA can cause missense mutations D. Mutagens increase the rate of mutation, but mutations are still random E. Nucleotide insertion or deletion in DNA can cause frameshift mutations. Is mutation really necessary or can we live without it? Support your answer.Mutations that affect organisms are those that involve exons. True or False. Defend your answer and give examples in an essay type