PATHOLOGY MCQ
GENETICS AND DISEASE
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Yes
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No
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Either A or B
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None of the above
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Detailed explanation-1: -Mutational effects can be beneficial, harmful, or neutral, depending on their context or location. Most non-neutral mutations are deleterious. In general, the more base pairs that are affected by a mutation, the larger the effect of the mutation, and the larger the mutation’s probability of being deleterious.
Detailed explanation-2: -Most mutations are not harmful, but some can be. A harmful mutation can result in a genetic disorder or even cancer. Another kind of mutation is a chromosomal mutation. Chromosomes, located in the cell nucleus, are tiny threadlike structures that carry genes.
Detailed explanation-3: -Mutations to this 10 percent can be neutral, beneficial, or harmful. Probably less than half of the mutations to this 10 percent of DNA are neutral. Of the remainder, 999/1000 are harmful or fatal and the remainder may be beneficial.
Detailed explanation-4: -Mutations can add, delete, or substitute nucleotides within the sequence of a gene. Because many codons specify the same amino acid, many mutations are completely harmless.
Detailed explanation-5: -ATP. Carbohydrates. Condensation Reaction. DNA and RNA. DNA replication. Denaturation. Enzymes. Factors Affecting Enzyme Activity. More items