Multiple Choice
Which of the following is a possible way that a mutation may affect an organism?
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15. Gene Expression
Mutations
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How do germ-line mutations differ from somatic mutations?
A
Germ-line mutations are inherited and affect offspring, while somatic mutations are not inherited and affect only the individual.
B
Germ-line mutations occur in body cells, while somatic mutations occur in reproductive cells.
C
Germ-line mutations always result in cancer, while somatic mutations do not.
D
Germ-line mutations are always beneficial, while somatic mutations are always harmful.
Verified step by step guidance1
Understand the definition of germ-line mutations: These are changes in the DNA that occur in the reproductive cells (sperm or eggs) and can be passed on to offspring, affecting future generations.
Understand the definition of somatic mutations: These are changes in the DNA that occur in non-reproductive cells (body cells) and are not passed on to offspring, affecting only the individual in which they occur.
Differentiate between inheritance: Germ-line mutations are inherited by offspring, while somatic mutations are not inherited and do not affect future generations.
Clarify the occurrence of mutations: Germ-line mutations occur in reproductive cells, whereas somatic mutations occur in body cells.
Address misconceptions: Germ-line mutations do not always result in cancer, nor are they always beneficial. Similarly, somatic mutations are not always harmful. The effects of mutations depend on various factors, including the specific genes involved and the environment.
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