LIN-31 function upstream or downstream of the LET-23 receptor in the vulval development pathway

Q: n mosquitoes, (i) Moult inhibiting hormone (MIH) or Juvenile hormone which is most effective. Why?…

A: The molt-inhibiting hormone (MIH) is a neurohormone which exerts an inhibitory effect on the…

Q: When an embryo is homozygous mutant for the gap gene Kr, the fourth and fifth stripes of the…

A: Segmentation in the Drosophila embryo is regulated by pair-rule genes and gap genes.

Q: iscuss the onco-suppressive function of xenophagy ( role of adaptors, Compare and contrast evidence…

A: The process of consuming and digesting foreign cells or material is known as xenophagy. This can…

Q: Explain why maternal effect genes exert their effects during theearly stages of development

A: Gene is a functional unit of heredity. A gene is a sequence of nucleotides in genome that codes for…

Q: Questions below true or false about the following statements on Drosophila eye development  I am…

A: Let's evaluate each statement regarding Drosophila eye development to determine if they are true or…

Q: what role does involution play in patterning the nervous system and what experiments show that vg1…

A: Involution is the process of an organ diminishing or returning to its original size. Involution is…

Q: In flies, the gap gene kruppel is expressed in a broad band in the middle of the embryo with giant…

A: Segmentation in Drosophila is a result of hierarchical and location specific expression of genes.…

Q: True or false about the following statements on Drosophila eye development     a. Hh, which is…

A: Here i discuss the statements about eye development in Drosophila. Note:- according to bartleby…

Q: What is delayed implantation? Why is it important in marine mammals?

A: It is a reproductive strategy used by approximately 100 different mammals in seven or eight…

Q: Suppose a genome-wide association study (GWAS) investigation found a particular single nucleotide…

A: A sort of genetic difference within humans can be called single nucleotide polymorphisms or SNPs.…

Q: Please explain the association of human IAP proteins with human malignancies?

A: The inhibitors of apoptosis proteins (IAPs) are most popular for their capacity to manage cell…

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: What is ICSI? Briefly describe one of the ethical concerns of using ICSI to treat infertility in a…

A: A large number of couples are infertile as they are unable to produce children inspite of…

Q: With regard to primordial germ cells induction, explain how mammals are different from other…

A: The source of heritable genetic variation, are the germ cells. They produce the totipotent zygote…

Q: <pression of a homeotic gene in the wrong tissue in Drosophila results in the development of an…

A: INTRODUCTION Homeotic gene, any of a group of genes that control the pattern of body formation…

Q: With regard to development, what are the roles of the maternaleffect genes versus the zygotic genes?…

A: Maternal-effect is a phenomenon in which the phenotype of the offspring is defined by the genotype…

Q: Elaborate on the statement “embryonic development involves both activation and inhibition”. Support…

A: Embryonic Development involves the proper coordination of molecular pathways and certain factors…

Q: Shh is expressed in the most posterior location of the limb bud and works in concert with FGF…

A: Answer :  Shh is found in the posterior region.  If shh is deleted or inhibited there will be…

Q: Compare and contrast the role of estrogens and progesterone.

A: The female sex hormones estrogen and progesterone are produced by the ovaries which lead to the…

Q: Discuss the role of homeotic genes in development. Explain what happens to the phenotype of a fruit…

A: The homeotic genes are the group of genes that regulate the formation of the anatomical structures…

Q: Why does X inactivation occur in female mammals?

A: A Chromosome is an entire chain of Deoxyribonucleic acid (DNA) with stabilizing proteins. The DNA is…

Q: Describe the role of the SRY gene in mammalian sexual development.

A: The human male genital or reproductive system has two sections, the external and internal male…

Q: Briefly explain how the Dorsal protein is redistributed in the formation of the Drosophila embryo…

A: The dorsal protein is involved in the dorsoventral polarity in drosophila. This protein is a…

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: Summarize the role of the Xist gene in X inactivation inmammalian cells.

A: A DNA sequence encodes functional RNA, but that RNA is transcriptionally inactive; such a DNA…

Q: Name three possible factors contributing to early asymmetries in a developing embryo (i.e. what are…

A: FACTORS CONTRIBUTING TO EARLY ASYMMETRIES IN A DEVELOPING EMBRYO: Embryonic morphogenesis occurs…

Q: Why does X inactivation occur in female mammals?

A: Causes of X inactivation: X-chromosome inactivation usually define through the term that they are…

Q: Describe the cascade of RNA splicing events initiatedby the Sxl protein that results in female…

A: In drosophila, the pre-mRNA undergoes sex-specific splicing to control sex determination. The…

Q: What hypothesis did Masui and Markert propose toexplain the function of progesterone? Explain the…

A: It is a hormone secreted by corpus luteum in the ovary. It plays important role in mensuration cycle…

Q: What does VMN do in males VS females in vertebrates?

A: VMN refers to the ventromedial nucleus of the hypothalamus that is divided into four parts based on…

Q: How are the functions of FSH and LH similar in male and female mammals? How do they differ?

A: Hormones are known to be the biological messenger of the body. They are secreted from the ductless…

Q: If a genetic female fetus is exposed to testosterone in utero, would that individual develop a…

A: Men have noticeably more testosterone on average than women, despite the fact that testosterone is…

Q: What effect would an increase in NF-kappaB activation and PGF2alpha production have on late…

A: In the process of parturition, the lower and upper segments of the uterus may perform different…

Q: Is Drosophila Toll protein a receptor that binds PAMPs?

A: Drosophila are belong to the group of Drosophilidae. The drosophila is belonged to the insect group…

Q: If β-catenin is originally found throughout the embryo, how does it become localizedspecifically to…

A: The Wnt pathway is one of the signal transduction pathways that are involved in the developmental…

Q: Could Bicoid be a morphogen thatdetermines the anterior end of a fruit fly?

A: A morphogen is a protein whose concentration gradient affects the developmental fate of the…

Q: Gradients of morphogens can be preestablished in the oocyte. Also, later in development, morphogens…

A: A substance whose non-uniform distribution governs the tissue development in the pattern formation…

Mitochondrial Mutations

A mitochondrion is a cellular organelle that serves as the site for cellular respiration and energy production (ATP or Adenosine Triphosphate). It is a double-membrane-bound organelle and is only present in eukaryotic cells.