Biology College

In a large population of approximately 1 million E. coli , one bacterium gains a mutation that gives it a fitness advantage , with a selective coefficient of . Which of the following statements is FALSE ? s = 0.001 Given the population size , the selective coefficient is large enough to overcome genetic drift . It is possible that the mutation could be lost from the population due to genetic drift . The mutation will likely sweep through the population to fixation if the individual has offspring with the new mutation Ans = 0.001 would not be considered large given that population size .

Answers

Answer 1

It is considered "fixed" inside the population that once frequency of a allele reaches 100%, i.e., is the only genetic variant present in either member.

What do you name a gene that is fixed inside the population due to a mutation?

December 2020) An allele is considered permanent if it is the only variety of that gene in the population. The entire population is heterozygous for a fixed allele. The term "allele" typically refers with one variant gene from out numerous that could exist for a specific Genomic region.

What impact does population size have on these alleles' time to fixation?

The likelihood of fixation increases because individuals with the mutant gene are much more likely to reproduce in a population that is expanding. Since it's more rare and more apt to be established, the allele has a lower risk of being lost.

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Related Questions

A Biology student is investigating DNA replication in peony flowers; which of the
following is a specific and testable question that could guide their research?
A. What is the complementary DNA strand sequence of a peony flower?
B. What is the rate of error in DNA replication?
C. What is the error rate in complementary DNA strand sequences of peony flower
after replication?
D. What is the DNA sequence of a peony flower?

Answers

Answer: C. What is the error rate in complementary DNA strand sequences of peony flower after replication?

Explanation: This is a specific and testable question because the student can analyze the DNA sequence of a peony flower before and after replication, and compare the two sequences to determine the error rate in the complementary DNA strands.

5-fluorouracil is a chemotherapeutic agent that is used for the treatment of certain types of cancers. which of the following is a mechanism by which 5-fluorouracil might work?

Answers

Answer: preventing the replication of DNA

Explanation: overreplication of cells, or extra cells, causes cancer. Stopping the replication of cells can prevent the cancer from worsening. I’ve also had this question on my homework and got the answer correct.

What is the name of bacteria that inter the cell ??

Answers

The name of the bacteria that enters the cell is called endocytosis.

Depressants are drugs that?

Answers

Answer:

Depressants are drugs that slow down the central nervous system, leading to reduced brain activity, decreased heart rate, and relaxed muscles.

Explanation:

The answer is the third option

Help please help I am die I am desperate big reward $$$

Answers

Answer: hypertonic, hypotonic, isotonic

Explanation:

Answer:

hypertonic hypotonic isotonic

Oxygen binding is monitored for a solution of hemoglobin. During the experiment, the curve changes from sigmoidal to hyperbolic. Which of the following may be the reason for the change?
A positive allosteric effector was added.
A negative allosteric effector was added.
The protein dissociated into individual subunits.
The protein denatured.

Answers

During experiment, curve changes from sigmoidal to hyperbolic, the following may be the reason for the change : The protein dissociated into individual subunits.

How does oxygen bind to the hemoglobin?

Hemoglobin molecule has four binding sites for oxygen molecules, iron atoms in the four heme groups and thus, each Hb tetramer can bind four oxygen molecules. From molecular weight of Hb, it is calculated that 1 g of Hb can combine with 1.39 ml of oxygen.

Oxygen is one of the substances transported with assistance of red blood cells and RBC contains a pigment called hemoglobin and each molecule of which binds four oxygen molecules. Oxygen molecules are carried to individual cells in the body tissue where they are then released.

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