How can three transcription regulators during development create eight different cell types?

Q: What would be the most likely effect of inhibiting the translation of hunchback mRNA throughout a…

A: A gene is the basic functional, and physical unit of heredity and it is small sections of DNA that…

Q: How do enhancers and transcription factors interact to regulategene expression?

A: Genes are the stretch of the DNA that code for a specific polypeptide chain.

Q: What are the differences and similarities among the three classes of monoallelic gene expression?

A: The phenomenon of the expression of one allele of a gene is called monoallelic expression. The…

Q: How do most transcription factors determine which genes they act upo

A: Protein synthesis through genes occurs in two steps: The DNA sequence present in the gene is…

Q: What are the different transcription factors of Eukaryotes and give their function.

A: Answer: Introduction: Eukaryotic cellular process is regulated in the transcription process and RNA…

Q: Draw a basket mutant embryo. What does basket encode? Why do the mutant embryos have this phenotype?

A: A mutation is a change in the DNA sequence of an organism. Mutations can result from mistakes in DNA…

Q: How do microRNAs regulate epigenetic mechanisms during development?

A: BASIC INFORMATION  MicroRNA  It is also written as miRNA These are RNA molecule which are non -…

Q: What are some other ways that a cell controls which genes are expressed?

A: Introduction  A gene is nothing but a specific sequence of deoxy ribose nucleotides and which is…

Q: What is the advantage and disadvantage of gene repression in development and What does it mean when…

A: Introduction Enhancers are small regulatory regions of accessible DNA that help in the establishment…

Q: A mutation occurs in a gene, resulting in it being expressed at the wrong time during development.…

A: The mutation refers to change the sequence of nucleotide in a gene.

Q: What is one factor that can change the epigenetic regulation of genes?

A: Epigenetic processes can regulate gene expression by modulating the frequency, rate, or extent of…

Q: Which molecules recognize the TATA box before RNA polymerase binds to the promoter region? Mitotic…

A: The transcription is the process by which RNA is produced from the DNA. In case of prokaryotic cells…

Q: How can you determine whether a particular gene is being transcribed in different cell types?

A: The mechanism in which the inheritable information of the genes is subjected to the assemblage of…

Q: Are all genes transcribed in differentiated cells?

A: Cellular differentiation is the mechanism by which a cell transformed from one cell type to another.…

Q: why is gene regulation necessary in the development of multicellular organisms?

A: Introduction :- Gene regulation is a process through which , expression of genes is controlled by…

Q: How does methylation affect development in terms of epigenetics, cancer, and general development?

A: Methylation of DNA causes gene silencing means expression is suppressed. Methylation is associated…

Q: What are the similarities and differences in the initiation of gene transcription in bacteria and…

A: similarities and differences in the initiation of gene transcription in bacteria and eukaryotes

Q: What is the relationship between promoters, regulatory DNA sequences, and transcription regulators?…

A: Gene expression is regulated by the binding of of different proteins on different regions of DNA.

Q: What are Sir proteins? How do mutations in SIR genes affect the expression of mating-type cassettes?

A: Mutations are genetic variations that are a major source of organismal variability. These…

Q: What are proximal promoter elements ?

A: Gene is the structural and functional unit in the DNA. Genes are composed of nucleotide nitrogenous…

Q: What is an enhancer? How does it affect the transcription of distant genes?

A: Transcription is promoted by the short sequence of genes in deoxyribonucleic acid (DNA). The…

Q: How do the roles of enhancers and silencers differ from each other?

A: Genetic information carried in the nucleotide sequences of DNA is copied to a molecule of RNA, by…

Q: What is the most efficient way to regulate gene expression from the perspective of cellular…

A: Gene expression is the process by which the instructions stored in the DNA sequence of genes is used…

Q: What is gene expression? What processes are involved to express a gene in a cell?

A: Genes are known as unit of inheritance as it being component of genetic material. It controls the…

Q: How DNA methylation represses gene expression ?

A: The gene transcribes and translates for producing a protein. This mechanism is known as gene…

Q: How do mediators, gene-specific transcription factors (activators/repressors), general transcription…

A: Transcription is the process of transfer of genetic information from DNA to messenger RNA. For…

Q: What is a CpG island? Where would you expect one to be located? How does the methylation of CpG…

A: A gene is a stretch of nucleotides present in the DNA. DNA or deoxyribonucleic acid is a polymer of…

Q: Draw a diagram to illustrate how a concentration gradient of a transcription factor along the…

A: In drosophila the anterior posterior axis is determined before birth due to its maternal effects…

Q: What are the major differences between gene expression in bacteria and eukaryotes

A: When the sequence of a gene is transcribed into an mRNA, and the mRNA is translated into a protein,…

Q: How do we know that small noncoding RNA molecules canregulate gene expression?

A: A non-coding RNA is a kind of RNA molecule that is not translated into a protein. The DNA sequence…

Q: What is the role of chromatin modification in transcription

A: Chromatin remodeling is dynamic modification of chromatin to allow access of condensed genomic DNA…

Q: How does controlling gene expression alter the overall protein level in the cell

A: The process of gene expression consists of transcription and translation. Transcription is the…

Q: What are the opposing roles of Ubiquitin and Proteosomes versus Chaperone Proteins in the cell in…

A: Proteins are the polymers of amino acids bonded by the peptide bonds. These play important role in…

Q: What are the two main components to activation of transcription via epigenetic mechanisms?

A: Transcription is the process of converting double-stranded DNA into single-stranded RNA with help of…

Q: What are enhancers and How do enhancers work?

A: Transcription is defined as the transcribing the DNA sequence into  RNA sequence by using the DNA as…

Q: You observe that a particular gene is being transcribed during development. How can you tell whether…

A: The chromosome contains a number of genes that encode proteins and these genes when expressed in the…

Q: What Control ElementsRegulate Expression ofthe mPGES-1 Gene?

A: The mPGES-1 gene in humans is responsible for encoding an enzyme involved in the synthesis of…

Q: How have we discovered that specific genes control development in an organism like Drosophila?

A: Genetics is a branch of the biology involved in the study of genes, genetic variation, and heredity…

Q: What are the contrasting roles of trithorax and polycomb group complexes during development in…

A: Trithorax and polycomb group complexes are essential proteins that are involved in activation and…

Q: How dispersed promoters specify multiple transcriptional start sites ?

A: Answer:Introduction: In vertebrates, approximately 70% of genes contain dispersed promoters, that…

Q: What is gene targeting in embryonic stem cells?

A: Introduction Gene targeting in the embryonic stem cells through homologous recombination techniques…

Q: How do cells control gene expression? How do cell "switch" genes on/off? Draw a flow chart to match?

A: The genes are regulated from time-to-time to make changes in the organisms. The way in which…

Q: What enzyme catalyzes transcription? What is a promoter and what protein recognizes promoters in…

A: Transcription is the process by which the information encoded in a DNA strand  is decoded and copied…

Q: How is it that only a few transcription factors can initiate cell type specific gene expression?

A: Transcription is the process of copying (transcription) a gene's DNA sequence into an RNA molecule.…

Q: are the similarities and differences between the transcription process and the repli- cation…

A: Replication is the process of formation of DNA using DNA as a template. Transcription is the process…

Q: What are differences between promoters and enhancers ?

A: Protein synthesis is the process by which genetic instructions stored in DNA (in regions known as…

Q: What are the advantages of having multiple types of promoters and enhancers?

A: Promoter sequences are DNA sequences that define where transcription of a gene by RNA polymerase…