Drosophila Melanogaster Lab Report

Drosophila Melanogaster Lab Report-45
In monohybrid crosses the mode of inheritance is determined when a single contrasting pair of characteristics is involved.In a dihybrid cross the mode of inheritance is determined when the two pairs of contrasting of characteristics are considered simultaneously.

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Next, these are the steps for immobilizing the flies.

Hold the vial containing the flies at an angle and place it in a refrigerator for several minutes.

Since the 1960s, the zebrafish (Danio rerio) has become increasingly important to scientific research.

It has many characteristics that make it a valuable model for studying human genetics and disease.

They are easily located in the large salivary glands. Research of Drosophilae has led to a lot of knowledge about many of its genes.

Many factors combine to affect the length of the Drosophila life cycle. At room temperature the average life cycle of the Drosophila is about 12 days.

You will keep a close record of what happens as each of these flies mate and pass there traits off to their offspring over a few generations.

There are three types of crosses that are studied in this lab.

Materials The materials used in this lab are as follows: a vile of Drosophilia with c designated trait, vials containing a medium, a refrigerator, ice packs, Petri dishes, a light microscope, a vial of wild type flies, an incubator, a pencil and paper.

Methods Begin by obtaining a vial of wild type flies. Make sure to examine the flies and determine the characteristics of their eyes, wings, bristles, and antennae.

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