The PRC2 complexes contain histone deacetylases that inhibit transcription. They also contain a subunit [E(z) in Drosophila, EZH2 in mammals] with a SET domain, which is the catalytic domain of several histone methyl transferases.

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#Id: 4824

#Unit 13. Methods in Biology

Null hypothesis is either rejected or not rejected based on the viability of the given population or sample.

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#Id: 4825

#Unit 13. Methods in Biology

In other words, the null hypothesis is a hypothesis in which the sample observations result from the chance. It is said to be a statement in which the surveyors want to examine the data. It is denoted by H₀ .

TLS Online TPP Program

#Id: 4826

#Unit 13. Methods in Biology

In statistics, the null hypothesis is usually denoted by letter H with subscript ‘0’ (zero), such that H₀ . It is pronounced as H-null or H-zero or H-nought. 36.

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#Id: 4827

#Unit 13. Methods in Biology

The formula for the null hypothesis is H₀ : p = p₀

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#Id: 4828

#Unit 13. Methods in Biology

Type I and Type II errors are subjected to the result of the null hypothesis.

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#Id: 4829

#Unit 13. Methods in Biology

In case of type I or type-1 error, the null hypothesis is rejected though it is true whereas type II or type-2 error, the null hypothesis is not rejected even when the alternative hypothesis is true.