Only four possible states of a particular site in a DNA sequence. A single base pair difference among species provides little reliable evidence about their phylogeny

TLS Online TPP Program

#Id: 2163

#Unit 11. Evolution and Behavior

An adaptation is a characteristic that enhances the survival or reproduction of organisms that bear it.

TLS Online TPP Program

#Id: 6821

#Unit 8. Inheritance Biology

Most continuously varying characteristics are both polygenic and influenced by environmental factors, and these characteristics are said to be multifactorial. 

TLS Online TPP Program

#Id: 2602

#Unit 13. Methods in Biology

Long primers forms most probably dimers, so taq pol amplifying this (in low temp) also.

TLS Online TPP Program

#Id: 8109

#Unit 1. Molecules and their Interaction Relevant to Biology

TLS Online TPP Program

#Id: 9188

#Unit 11. Evolution and Behavior

There are three basic modes of selection on a quantitative trait.