PATHOLOGY MCQ
GENETICS AND DISEASE
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
true
|
|
|
false
|
|
|
Either A or B
|
|
|
None of the above
|
Detailed explanation-1: -The majority of mutations have neither negative nor positive effects on the organism in which they occur. These mutations are called neutral mutations.
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: -No, not all mutations are harmful. Some mutations may be beneficial, while others have no effect on an organism. A change in a DNA sequence that positively affects an organism is commonly referred to as a beneficial mutation.
Detailed explanation-4: -False. All genetic mutations are not harmful. A genetic mutation refers to a change in DNA.
Detailed explanation-5: -ATP. Carbohydrates. Condensation Reaction. DNA and RNA. DNA replication. Denaturation. Enzymes. Factors Affecting Enzyme Activity. More items