Tag: Cytogenetics
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What Is Carnoy’s Solution?
Carnoy’s solution is a fixative composed of 60% ethanol, 30% chloroform and 10% glacial acetic acid, 1 gram of ferric chloride.[1][2] Carnoy’s solution is also the name of a different fixation composed of ethanol and glacial acetic acid (3:1).[3][4][5] Hm..and here are some articles that come up on a search for Carnoy’s solution at Science Direct I haven’t read them all but this…
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Heterochromatin
Heterochromatin is a tightly packed form of DNA or condensed DNA, which comes in multiple varieties. These varieties lie on a continuum between the two extremes of constitutive heterochromatin and facultative heterochromatin. Both play a role in the expression of genes. Because it is tightly packed, it was thought to be inaccessible to polymerases and therefore not transcribed; however, according to Volpe et…
