During the studies on genes in Drosopila that were sex-linked T.H. Morgan found F2-populabon phenotypic ratios deviated from expected 9 : 3 : 3 : 1. Explain the conclusion he arrived at.

During the studies on genes in Drosopila that were sex-linked T.H. Mor

1.	During the studies on genes in Drosopila that were sex-linked T.H. Morgan found F2-populabon phenotypic ratios deviated from expected 9 : 3 : 3 : 1. Explain the conclusion he arrived at.
Answer» 1. T. H . Morgan worked on fruit flies (Drosphila Melanogaster). 2. They are found suitable for studies in genetics for the following reasons : - They could be grown on simple synthetic medium in the laboratory. - The flies complete their life cycle in about two weeks. 3. Morgan carried our many dihybrid crosses in Drosophila, with the genes that were sex-lined, i.e., the genes are present on the X-chromosome. 4. He observed that the two genes under consideration in his experiments, did not segregate independently as in the case of characters studied by Mendel.

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During the studies on genes in Drosopila that were sex-linked T.H. Morgan found F2-populabon phenotypic ratios deviated from expected 9 : 3 : 3 : 1. Explain the conclusion he arrived at.

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