Group Selection and Altruism

Group selection

Group selection definition It refers to the tendency of most groups of individuals to control their rate of consumption of resources and rate of breeding to ensure that the group would not become extinct. According to this, individuals in successful groups would not act selfishly. Image Source: Researchgate (David Sloan Wilson). Altruism One of the … Read more Group Selection and Altruism

Having the symptoms doesn’t always confirm COVID-19

SARS-CoV-2 and COVID-19

The symptoms of the cold that we frequently have, the flu, and COVID-19 have got quite a number of overlaps. Therefore symptoms alone cannot confirm whether a person is having a novel coronavirus or nCoV infection. There has to be an array of symptoms that need to get weaved together to have a confirmed case … Read more Having the symptoms doesn’t always confirm COVID-19

Cell signaling and cAMP-mediated pathway

Cell signaling and cAMP-mediated pathway

Cell signaling and its types Cell signaling is referred to as the communication between various cells and molecules. The two most important part of cell signaling is a ligand and a receptor. A ligand is a molecule that is a primary messenger that binds to a specific receptor on the cell and transduces a signaling … Read more Cell signaling and cAMP-mediated pathway

Somaclonal Variation

Somaclonal Variation

Somaclonal Variation Definition The genetic variations found in the in vitro cultured cells are collectively referred to as somaclonal variations. Selection of somaclones Without in vitro selection: An explant (leaf, stem, root, etc.) is cultured on a suitable medium, supplemented with growth regulators. The unorganized callus and cells do not contain any selective agent (toxic … Read more Somaclonal Variation