Biology Question

Q: WRT is a gene in C. elegans worms which is normally expressed in a specific stage of development.…

A: WRT is a gene in C. elegans which is normally expressed at specific stage of development. a) Several…

Q: Compare and contrast how maternal-effect genes, gap genes, and homeotic genes affect Drosophila…

A: Homeotic genes are the class of genes present in Drosophila that direct the development of the…

Q: At which stage of development does the Id protein function? Why is its function important?

A: Inhibitor of DNA binding (ID) proteins are a family of highly conserved transcriptional regulators…

Q: The CTCF protein is involved in the regulation of the Igf2-H19 gene cluster. Which of the following…

A: The gene expression involves transcription and later translation. Different mechanisms are involved…

Q: Outline the role of alternative splicing in the control of sex differentiation in Drosophila.

A: Alternative splicing is a regulated process in which a single gene coding for multiple proteins…

Q: You are studying Hox genes in crane flies (Leptotarsus testaceus). The cranefly genome is sequenced,…

A: To find: Where the homologue of EVE gene is expressed in cranefly embryos

Q: describe the arrangment of Hox genes on each chromosome in mammals in relation to their expression…

A: Hox genes are group of related genes that determine the basic structure and the composition or…

Q: We know quite a bit about Notch/Delta and Hes gene oscillations during embryonic development. What…

A: Embryogenesis includes coordinated cycles of cell proliferation and differentiation. Mammalian Hes…

Q: The mutation to the pelvic switch region of the Pitx1 gene affected which stage of the gene…

A: The PITX1 gene gives instructions for manufacturing a protein that is important in the development…

Q: Match the following some are  redundant please explain why?: Axis specification Pattern formation…

A: The study of the process through which organisms grow and develop from a single cell to a mature…

Q: In Drosophila the genes twist, snail, rhomboid and sog are expressed at differing positions along…

A: The DV axis in Drosophila refers to the dorsal-ventral polarity that is established during embryonic…

Q: Which is TRUE regarding developmental patterning in Drosophila and other organisms? O Most…

A: Drosophila is a model organism that can be used to study animal development. Many genes of…

Q: If gene transcription is inhibited after fertilization, development past the two-cell stage does not…

A: The difference lies in the distinct developmental processes: gene transcription inhibition halts…

Q: Explain the Drosophila genetics tool for gene expression known as the UAS-GAL4 system

A: The GAL4-UAS framework is a biochemical technique used to examine quality articulation and capacity…

Q: Consider the expression of HOX genes in a wild type embryo. Predict the pattern of HOX gene…

A: In the study of HOX gene expression in embryos, it is important to consider the impact of specific…

Q: (a) Explain the signals (wingless, Hh, Serrate) how they are sent and received (b) what is the…

A: Introduction. Segmentation in drosophila is a spatially and temporally regulated sequential event.…

Q: Could I get a detail explination on the findings of this repo gene used in the Drosophila embryo?

A: Glial cells are the major cells that regulate the neuronal functions. The changes in glial cells are…

Q: Describe two of the advantages of Drosophila as a model organism in genetics studies.

A: Drosophila a genus of two-winged flies also known as fruit flies because they gather around overripe…

Q: The early Drosophila embryo is a syncytium. Why is this significant? O a. it allows the segment…

A: The early Drosophila embryo is indeed a syncytium, which means it is a single cell with multiple…

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: Does this statement is a  example of a phenocopy? Explain your reasoning. Q. Vestigial wings in…

A: Phenocopy is a process related to the genotype and phenotype of an organism for a trait. Genotype is…

Q: The gain-of-function ANTP mutant in Drosophila has legs growing in the place of antennae. What is…

A: Hox genes are the genes which contain homebox sequence and these are responsible for the…

Q: The loss-of-function Naked mutant in Drosophila lacks bristles. What is the most appropriate…

A: Answer. Cancer critical genes are grouped into two broad classes, according to whether the cancer…

Q: Match the following transcription factors whose expression during embryonic development leads to the…

A: A. Late expression in the limb bud gives rise to autopod- Homeobox a13( hoxa13) The autopod…

Q: Explain Cell signaling during Drosophila eye development?

A: In spite of the fact that Hedgehog (Hh) signalling is fundamental for morphogenesis of the…

Q: What is Sonic hedgehog, and why it is importan

A: Shh gene in humans code for a protein called sonic hedgehog.

Q: In drosophila embryos that are null mutants for hedgehog (hh'/hh), expression of which of the…

A: In drosophila, segment polarity genes are those genes which act to specify the correct pattern of…

Q: Distinguish among maternal effect genes, segmentation genes, and homeotic genes in Drosophila.

A: The pattern along the eventual head to tail (antero-posterior) axis of the flies Drosophila…

Q: Suppose you want to determine whether a particulargene X is important for specification of the…

A: Genes are the functional unit of inheritance. It is made up of DNA which carries the genetic…

Q: In Table 13-1, what is the most common function of proteins that contribute to pattern formation?…

A: Drosophila melanogaster, a fruit fly, is utilised as a model organism in research spanning from…

Q: Explain what a morphogen is, and describe how it exerts its effects. What do you expect will happen…

A: It is a chemical which can cause or determine morphogenesis.

Q: Name and describe three ways in which gene expressioncan be influenced after mRNA is processed and…

A: A gene is a stretch of nucleotides present in the DNA molecule. It encodes information for the…

Q: Maternal and zygotic mRNAs regulate embryonic development by determining major body axes. Two of the…

A: In the process of embryonic development, maternal and zygotic mRNAs play a crucial part in…

Q: Briefly describe how the bicoid and nanos genes help to determine the anterior–posterior axis of the…

A: Drosophila melanogaster is a fly species that belong to order Diptera. Drosophila is also known as…

Q: HEAD THORAX ABDOMEN Bicoid Hunchback Giant Krüppel Knirps

A: Gene is a unit of heredity that is transferred from 1 generation to another, from parents to their…

Q: Explain the signaling mechanism of retinoic acid, the source of retinoic acid in vivo, and how…

A: Retinoic acid (RA) is a derivative of vitamin A, also called Retinol. It is known to play various…

Q: Analysis of Hunchback mRNA expression tells us what about Hunchback gene expression? That the…

A: The Hunchback gene is a genetic mutation that can cause birth defects including scoliosis, rib cage…

Q: Compare and contrast the experimental advantages of Drosophila and C. elegans in the study of…

A: The organisms that are generally used to carry out various experimental studies because they are…

Q: Developmental genes act hierarchically during pattern formation, first defining broad regions, which…

A: The first genes needed to initiate developmental organization and pattern formation are maternal…

Q: For genes that control pathways of development, loss-of-function mutations are usually recessive…

A: Small stretches of nucleotides present on the DNA molecule that encodes information for the…