summary_of_drosophila, High school final essays of Environmental science

Download summary_of_drosophila and more High school final essays Environmental science in PDF only on Docsity! Tashlima Begum Summary of Drosophila If you're interested in learning more about the significance of fruit flies, also referred to as Drosophila, as research subjects, you should read the article "Genetics on the fly: A primer on the Drosophila model system" (Halos et al. , 2015) offers insightful details on these tiny creatures. In research labs, fruit flies are frequently used as model organisms to examine genetics and the effects of the environment on development and health. This article provides a thorough description of the Drosophila life cycle, giving readers insight into their short lifespan and reliance on particular environmental factors to survive. A Drosophila has four life stages: egg, larva, pupa, and adult. Developmental milestones and distinctive traits are present at each stage. For instance, a Drosophila larva enters the first instar, or stage of larval development, within two days of hatching from an egg. The larva goes through the second and third instars over the course of six to ten days, consuming a lot of food to support its quick growth. The Drosophila enters the pupal stage after the third instar and looks for a dry environment to start the metamorphosis process. The Drosophila has finished changing by day ten, at which point it is considered to be an adult. It is noteworthy that fruit flies have a lifespan that is considerably shorter than that of humans. With the right care, Drosophila can live up to 21 days in the lab, but in the wild, they only have a much shorter life span. To ensure the survival of their Drosophila subjects, researchers must therefore carefully control the environmental factors, such as the source of food and shelter. The article also emphasizes how scientists can distinguish between male and female Drosophila in addition to their life cycle. Males have fused segments around their abdomen, whereas females have striped segments. For scientists researching sex-related traits and behaviors, understanding the differences between male and female fruit flies is essential. The last section of the article talks about Drosophila's dietary preferences. They are significant in studies of diet and nutrition because they primarily consume yeast, bacteria, and decaying fruit. The creation of special food formulations used in research labs to feed the Drosophila as a result of their dietary preferences. In conclusion, the article "Genetics on the fly: A primer on the Drosophila model system" offers an extensive overview of the life cycle, dietary preferences, and significance. References 1) Text book provided - https://academic.oup.com/genetics/article/201/3/815/5930114?login=false 2) Class presentation slides provided - Lab 2.pptx