Crossing Over and its mechanism
The phenomenon of separation of linked genes is termed as crossing over. Linked genes separate during inheritance and produce new or non-parental combinations in case...
Variations and its types
The differences that are found between the individuals of same species are called variation. It is very difficult to find out two individuals exactly similar...
Darwin’s theory of evolution (Theory of Natural Selection)
It is also known as theory of natural selection. Charles Robert Darwin was (1809- 1882) an English naturalist published his famous book “ The origin...
Some branches of biology
1. Morphology Study of external form and structure of living organisms. 2. Anatomy Study of internal structure of plants and animals. 3. Histology Study of...