The following points highlight the eight main criticisms for Lyon’s hypothesis. Criticism # 1. That XO, XXX, XY, XX etc. individual differ among themselves suggesting that the entire X chromosome is not genetically inactive. If it were so, an XX and XXX female would have had no difference at all. From various chemical stigmata it […]
8 Main Criticisms for Lyon’s Hypothesis | Genetics
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Examples of Autosome-Linked Genetic Diseases
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The three examples of autosome-linked genetic disease are: 1. Sickle Cell Anemia 2. Alkaptonuria (Black Urine Disease) 3. Phenylketonuria. Example # 1. Sickle Cell Anemia: Sickle cell anemia is an inherited abnormal disease caused by mutation of autosomal gene. The red blood cells of certain individuals have peculiar property of undergoing reversible alterations in shape […]
Dosage Compensation/Lyon’s Hypothesis | Genetics
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In this article we will discuss about:- 1. Dosage Compensation and Sex-Chromatin Bodies 2. Details about Dosage Compensation or Lyon’s Hypothesis 3. Objectives behind the Proposition of Lyon’s Hypothesis and 4. Evidences in Support of Lyon’s Hypothesis. Dosage Compensation and Sex-Chromatin Bodies: In man it has been found that Y-chromosomes are genetically inert in comparison […]
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