Fruit Fly Research Paper

Drosophilia melanogaster, known as the common fruit fly, is tan or light brown in color and usually have red eyes. The common fruit fly size is 3 to 4 mm (millimeters) and has a life span of 14 days. Drosophilia melanogaster is often favored amongst culture breeding due to how fast they breed and how short they live. It should also be noted that this specific specie also carry recessive genes that can cause an offspring to grow without wings which means that fruit fly cannot fly. Also, if a fruit fly were to undergo high temperatures, the proteins used for their wings would deform, making them flightless. Compared to other fruitflies such as the Drosophilia hydei, melanogaster shares the same recessive traits (ex: wingless), while being the

Alcohol’s effect on the fruit flies was very evident because the fruit flies started to lose their strength to fly around the bottle. As the concentration of ethanol increases, the flies tend to get uncoordinated and oblivious with their surroundings. In other words, the fruit flies tend to get tipsy, and once the alcohol concentration increases, the fruit flies become sedated. It was also observed that too much exposure in ethanol could lead to the fruit flies’ death. This means that fruit flies are very weak when it comes to tolerating the presence of alcohol and they could reflect withdrawal symptoms (Ledford,

Complete dominance, a Mendelian principle, states that there are dominant and recessive alleles. Dominant and recessive alleles are straightforward. Dominant alleles are the stronger genes and expressed in the offspring while recessive alleles are the weaker genes and require all other alleles to be recessive in order to be expressed. On the other hand, when it comes to incomplete dominance and codominance, there is no distinct or simple trait that masks the other. In the case of incomplete dominance, a non-Mendelian principle by Carl Corren, the incompletely dominant alleles from the father and the mother are mixed. For example, a red and white flower being crossbred will produce a pink flower. So, this means that the pink flower has genes of both red and white, but because both are dominant, they mix. For codominance, the prefix “co”, meaning together, translate to codominant alleles that dominate together. In this case, the distinct traits are both visible. So, instead of a pink flower being produced, a flower that expresses red and white spots is a result of codominance (Lubey,