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How do enhancers increase transcription in gene regulation?
Enhancers increase transcription in gene regulation by binding to specific transcription factors, which then interact with the promoter region of a gene. This interaction helps to recruit RNA polymerase and other transcriptional machinery, leading to an increase in the rate of transcription of that gene.
What is the difference between cloning and expression vectors?
Cloning vectors are used to increase the number of copies of the cloned gene or to amplify a foreign gene. Expression vectors are used to increase the expression of the foreign gene product.
Why does histone acetylation lead to an increase in gene expression?
Histone acetylation leads to an increase in gene expression because it loosens the interaction between histones and DNA, making it easier for transcription factors to access the DNA and activate gene expression.
How does reproductive isolation increase isolation?
it stops gene flow
Why does geograpical isolation increase differences between gene pools?
Because they produce with whomever they want which gives them more varieties in a gene pool
What was the cause of the increase in the numbers of the black moths in England in the 1800s?
gene flow
What was the cause of the increase in the numbers of black moths in England in the 1800's?
gene flow
Can you give a sentence using the word gene therapy?
Gene therapy is a promising medical approach that involves introducing genetic material into a person's cells to treat or prevent a disease.
What would happen is selective pressure changed and the recessive gene was selected for?
If selective pressure changed and the recessive gene was selected for, individuals carrying the recessive gene would have a higher chance of surviving and reproducing, leading to an increase in the frequency of that gene in the population. Over time, this could result in the recessive gene becoming the dominant trait in the population.
What does an enhancer do in transcription and how does it impact gene expression?
An enhancer is a DNA sequence that helps increase the rate of transcription, which is the process of making RNA from DNA. Enhancers can bind to specific proteins called transcription factors, which then help activate the transcription of a nearby gene. This can lead to an increase in the production of the corresponding protein, ultimately impacting gene expression by regulating the amount of protein that is made.
Which increase speciation?
Geographic isolation Low geneflow.
A transgenic organism that has extra copies of a gene produces more of RNA the that is coded for by the gene?
In a transgenic organism with extra gene copies, there is typically an increase in the production of the corresponding RNA due to the additional gene copies being transcribed. This can lead to an elevated expression level of the gene's product, which could result in observable phenotypic changes in the organism.
