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There are two main learning processes, operant conditioning and classical conditioning. Operant conditioning is a learning process where the frequency of a certain behaviour is modified according to the b...

Different phenotypes can be generated without changes to the genotype through a process called Epigenetics. Epigenetics, meaning “above genes”, is the study of changes to the phenotype caused by changes i...

For a trait to evolve, firstly, there has to be genetic variation among individuals, which will lead to differences in phenotype and cause differences in fitness in a particular environment. These differe...

DNA, deoxyribonucleic acid, is responsible for storing genetic information and is composed of a chain of nucleotides. Each nucleotide is formed by a nitrogen base, a phosphate backbone and a sugar. There ...

First you prove the case n=1 is true. Then you assume that n=k is true, then calculate what n=k+1 is. This should prove true, so that by induction, you have proved that the statement is true for all natur...