Drosophila

up, it well be discussed in both mammalian (use human as example) and non-mammalian (use Drosophila as example) case. The paper will mainly focus on three point: how Y chromosome originated; the function…

Observation of mitosis in Onion root tips Answer the following question to its full explanation: 1. What is Cytokinesis? Compare and contrast cytokinesis between plant and animal cells. Cytokinesis is the last step in cell division, where the cytoplasm divide and the two daughter cells appear. In Animals, the cytokinesis processes occurs through cleavage. Firstly, in the old metaphase plate position, a cleavage furrow is formed. On each sides of the furrow, a contractile ring formed of actin…

now the puzzle remains. One of the animals that exhibit this behavior is the Drosophila Melanogaster or fruit flies, in which this paper will be focusing on. Fruit flies have the ability to reproduce rapidly, tendency for males to mate intensely with immature males (Dukas, 2010). Over the past few years, since fruit flies’ genome are simple, researchers made a constant effort in studying the same-sex behavior in Drosophila Melanogaster or fruit flies and how a particular mutation in a gene was…

Scientific experiments and observations have led to many discoveries, which in turn have allowed scientists to develop a better understanding on the way diseases originate in humans. Molecular biology in particular has allowed scientists to discover the way in which domains, found in proteins impact a genome. Domains are autonomous folding units that carry out specific functions and mechanisms in a certain protein. These functions consist of being responsible for interactions in the cell, which…

Unit 7 Written Assignment Question 1: Based on this video, describe the symptoms of the SCA1 disease. The symptoms I understood includes; 1. Balance and coordination problems 2. Swallowing- choking on their food, which leads to death 3. Difficulty with breathing, breathing disordered 4. Secondary infection 5. Having speech difficulties SCA1 is a familial disease as indicated by the pedigree analysis chart shown on the video and in the image below Question 2: Explain how to read the chart by…

are the decrease in life span and female sterility. Ap is required to regulate gene expression needed for the development of Drosophila wings and haltere discs. Decreased ap activity due to the overexpression of dLMO results in wing mutations. The phenotypes displayed in apterous mutants are places them at a disadvantage compared to wild type flies. Introduction Drosophila melanogaster with apterous mutations usually lack fully functional wings. There are many distinct phenotypes expressed…

discussion is the use of Drosophila to investigate parkin’s effects on Parkinson’s disease. PD is a neurodegenerative disease by the reduction of dopaminergic neurons. When Drosophila neurons express the human α-synuclein it intimidates the lack and loss of motor control that in seen in humans with Parkinson’s disease. Parkin is a protein, which functions as an ubiquitin ligase to aim for certain proteins for degradation. Those carrying out the investigation generated transgenic Drosophila that…

Chromatin Immunoprecipitation and Sequencing (ChIP-seq) of Heat Shock Factor (HSF) Temporal Binding Sites during the Critical Period of 8-12 Hr After Egg Lay (AEL) in Drosophila melanogaster Embryogenesis Background Heat Shock Response was discovered by the Italian scientist Ferrucio Ritossa, when he saw puffs in the Drosophila polytene chromosome on inducing them with heat. It was later discovered that this Heat Shock Response was regulated by a transcription factor called Heat Shock Factor…

It takes the Drosophila flies 24 hours after fertilization to go from an embryo to larva. The larva will eat and then continue to grow, taking about 6-8 days to become a pupa. During this phase, the pupa will undergo metamorphosis and change into an adult fly. The adult…

genome and the short life cycle of Drosophila melanogaster makes the use of this organism proper to understand the role of signaling pathways, mainly the Notch signaling pathway, in the development of sensory organs in organisms. The molecular interactions of some genes with the Notch signaling pathway can help us understand cell differentiation in sensory organs. The gene Hairless shows high levels of interaction with the Notch signaling pathway of Drosophila melanogaster. Hairless was first…