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Chapter 19: Problem 25

What is the difference between the mutation rate and the mutation frequency?

Short Answer

Expert verified
Mutation rate refers to the likelihood of a gene mutating, usually expressed in terms of changes per biological unit, per generation, or per unit of time. Mutation frequency, however, measures the proportion of a particular mutant gene within a specific population, signifying how common a specific mutation is in a given gene pool.

Step by step solution

01

Define Mutation Rate

Mutation rate is defined as the likelihood of a gene changing to another form. It is usually expressed as the number of changes per biological unit, such as cell division, per generation, or per unit of time.
02

Define Mutation Frequency

On the other hand, Mutation frequency refers to the number of mutant genes compared to the total number of genes in a specific population. To put it simply, mutation frequency is the proportion of a specific mutant in the population.
03

Distinguish between the two

The primary difference lies in their focus. While mutation rate is about the probability of occurrence of mutation in a gene, mutation frequency is concerned with how often a specific mutation is encountered in a given gene pool. Mutation rate is thereby an event's statistical probability, and mutation frequency is a representation of that event's prevalence or abundance in a population.

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Most popular questions from this chapter

Make a drawing that shoss how alkylating agents aller the struc ture of DNA, and explain the process.

Explain two ways that a chromosomal rearrangement can cause a position effect.

A segment of DNA has the folloving sequence: TTGGATGCTG AACCTACGAC A. What would the sequence be immediately after reaction with nitrous acid? Let the letters \(\mathrm{H}\) represent hypoxanthine and U represent uracil. B. Let's suppose this DNA was reacted with nitrous acid. The nitrous acid was then removed, and the DNA was replicated for two generations. What would be the sequences of the DNA products after the DNA had replicated tao times? (Note: Hypoxanthine pairs with cytasine.) Your answer should contain the secquences of four double helices.

Explain hor a mutagen can interfere with DNA replication to cause a mutation. Give two examples.

Are mutations random events? Explain your answer.
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