How would you devise a screen to identify recessive mutations in Drosophila that result in embryo lethality? How would you propagate the recessive mutant alleles?

Q: The Drosophila gene Sex lethal (Sxl) is deserving of itsname. Certain alleles have no effect on XY…

A: Hello! Since you have posted multiple questions, we are answering only first two questions. If you…

Q: What would be the most likely effect on fruit-fly development of a deletion in the nanos gene?

A: Drosophila melanogaster is a fly species in the family Drosophilidae. This fly is commonly called as…

Q: What is the difference between a maternal-effect gene and a zygotic gene? Of the following genes…

A: Genes are the basic biological unit of heredity. They are a segment of deoxyribonucleic acid (DNA)…

Q: Following a mutagenesis experiment to identify novel genes affecting the circadian clock in…

A: Genotype refers to the genetic makeup of an individual organism, specifically the combination of…

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: Describe how P elements are used to producetransgenic Drosophila.

A: Genetics is a branch of science that deals in the study of genes, heredity, and genetic variation of…

Q: A number of genes that control expression of Hox genes in Drosophila have been identified. One of…

A: Homeotic genes are the regulatory genes that play an important role in the regulation of the…

Q: Using a transgenic technique, propose an experiment to determine whether Cdx2 is sufficient for…

A: The objective of this question is to design an experiment using transgenic techniques to determine…

Q: Why are diseases due to microsatellite amplification, even though they have a monogenic pattern of…

A: The classical inheritance is the type of inheritance pattern in which mendelian laws are followed…

Q: A wild type strain of Drosophila was found to carry a transposable element called copia. From this…

A: The following is a short summary of the genetics terminology and Drosophila notation used in this…

Q: The figure below shows differential methylation patterns for various genes in samples of 2 embryonic…

A: The process by which methyl groups are added to the DNA sequences is called DNA methylation.…

Q: Compare and contrast the experimental advantages and disadvantages of Drosophila, C. elegans,…

A: Model organisms are non-human species that are used to conduct experiments in the laboratories as…

Q: How many protein coding genes would expect to be affected if the mutations are distributed randomly?

A: Due to metabolic mistakes, radiation exposure, and environmental variables, DNA experiences numerous…

Q: Several Drosophila species with unspotted wings are descended from a spotted ancestor. Would you…

A: Drosophila has a short, basic proliferation cycle. Organic product flies are little (3 mm long) yet…

Q: Given that you have an even-skipped mutant (Drosophila) which results in the loss of stripe #5,…

A: The even skipped quality (eve) encodes a homeodomain (HD) record factor expected during Drosophila…

Q: What was used in experiments to induce mutations in Drosophila in the 1920s? What is Drosophila?…

A: The gene named sc v f led to offspring which are having a different in eye color and found that they…

Q: How would you explain gene expression? How is it that a particular genotype is actually expressed as…

A: The central dogma is the flow of information that is carried by a gene that is expressed in the form…

Q: Consider a bacterium that can synthesize an imaginary amino acid called fictamine. Initially,…

A: ANSWER;-  i) Gene Y codes for enzyme 1 because when gene Y is mutated, the activity of enzyme 1 is…

Q: If you wanted to make a mouse model for any of the following human genetic conditions (a–d),…

A: Since we only answer up to 3 sub-parts, we’ll answer the first three. Please resubmit the question…

Q: Why is Drosophila used extensively for genetic studies?

A: The fruit fly or Drosophila melanogaster is used as a model organism for the study of different…

Q: What would be the effect of deleting the Dnmt3 gene in honeybees?

A: Insects are any animal of the class Insecta. It comprises small, air-breathing arthropods having…

Q: For the first experiment ever on Drosophila mutations. Answer the following questions. a. What is…

A: Drosophila melanogaster  It is the species of fly which belongs to the family of Drosophilidae. It…

Q: The GAL4 expression system can be used to experimentally induce expression of a gene in a specific…

A: INDUCED EXPRESSION - Inducible expression systems are essential molecular tools for the production…

Q: Another way to study the role of proteins (e.g., transcription factors) that function in development…

A: Proteins are macromolecules formed by the long chain of amino acids and are the functional product…

Q: What complications might arise from genetic screens targeting an organ that differentiates late in…

A: The eye has been one of the most intensively studied organs in Drosophila. The wealth of knowledge…

Q: Next-generation sequencing reveals that six new mutations have occurred in the coding regions of…

A: Next-generation sequencing is the second-generation high throughput method used to identify the…

Q: Concerning the Tools of Genetics Box Analysis ofCell-Cycle Mutants in Yeast:a. Describe how you…

A: The genetics is the branch of biology that deals with the study of genes, genetic variation, and…

Q: Discuss, using different examples, how biological pathways are informed by forward genetic screening…

A: C. elegans has established itself as a valuable model organism for identifying the genes and genetic…

Q: If a Drosophila is found to have axons that cross back and forth over the body's midline several…

A: Introduction  Drosophila, commonly known as fruit flies, is a genus of small flies belonging to the…

Q: What are paralogous and orthologous genes? What are some of the explanations for the finding that…

A: Thus, a gene is a fundamental unit of inheritance, carrying coded information associated with a…

Q: You are interested in studying position effect variegation in Drosophila using the chromosome…

A: DNA is the nucleic acids present in the organisms. DNA is the deoxy ribose nucleic acid in which…

Q: A group of scientists sequenced the genomes of 12 species of Drosophila (Drosophila 12 Genomes…

A: The complexity of an organism is based on the functioning of its genome. Deoxyribonucleic acid (DNA)…

Q: Following a mutagenesis experiment to identify novel genes affecting the circadian clock in…

A: The complementation observed between the C and d mutants indicates that they affect different genes…

Q: You isolate a glp-1 mutation of C. elegans and discoverthat the DNA region encoding the spatial…

A: The genome is made up of one to several long DNA molecules, and mutations in these molecules can…

Q: You are working with a fly hair cell developmental system. This Notch/Delta-regulated system results…

A: The cells undergo cell division and differentiation so as to form different types of cells. The…

Q: 5.) You have identified a mutant with the following phenotype:  a) Explain what has most likely…

A: Mutation is the alteration in all of part of a DNA of an organism causing the increased or decreased…

Q: 6. Suppose a particular gene is required for early development and also later for development of a…

A: ANSWER;- The Gal4 (galactose) gene articulation is directed by Gal80. The Gal4 gene protein…

Q: As shown in Figure 13-14, what is the fundamental distinction between a pair-rule gene and a…

A: A pair-rule gene is a type of gene that plays a role in the creation of insect fragmented embryos.…

Q: Determination of phenotypic sex in fruit flies is controlled by: A)

A: The determination of phenotypic sex in fruit flies is controlled by alternative splicing.…