The sum of the number of unique genes and the number of gene families is an estimate of the number of types of genes.

The minimum size of the proteome can be estimatedfrom the number of types of genes.

TLS Online TPP Program

#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.

TLS Online TPP Program

#Id: 4827

#Unit 13. Methods in Biology

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

TLS Online TPP Program

#Id: 4828

#Unit 13. Methods in Biology

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

TLS Online TPP Program

#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.

TLS Online TPP Program

#Id: 4830

#Unit 13. Methods in Biology

Both the error type-i and type-ii are also known as “false negative”.