To study wing shape and eye colour in Drosophila
Practical Notebook Biology Standard XII Biology Answeres Practical Notebook Standard XII Class-12th science Click here download in PDF 11. To study wing shape and eye color in Drosophila. Aim: To study the genetic variation of traits in Drosophila melanogaster. Requirements: Glass jar, petri dish, banana pieces, muslin cloth, bell jor, slide, coverslips grated series of school, fine, DP%, etc. Procedure L Preparation of culture beds: Peel the ripe banana fruit. Discard the skin and mash the fruit into a soupy pulp. Take a clean sterilized glass jar or Petri dish and place the banana pulp in it. Add a few grains of yeast. Keep a small blotting paper to absorb excess moisture from the pulp and also to provide a substratum for the pupation of the larvae. Many culture beds can be prepared by the above method for the different varieties of a fruit fly. II The culturing of Drosophila The pulp in the culture beds attracts the Drosophila. Cover the culture beds with a bell
