Day: April 17, 2020

Factors : Unit of heredity which is responsible for inheritance and appearance of characters. These factors were referred as genes by Johannsen (1909). Mendel used term “element” for factor. Morgan first use symbol to represent the factor. Dominant factor are represented by capital letter while recessive factor by small letter Allele : Alternative forms of […]

DNA, or deoxyribonucleic acid, is the hereditary material in humans and almost all other organisms. Nearly every cell in a person’s body has the same DNA. Most DNA is located in the cell nucleus (where it is called nuclear DNA), but a small amount of DNA can also be found in the mitochondria (where it […]

Family Def- two or more people related by blood, marriage, or adoption. Forms- ranging from a single parent with one or more children, to a married couple or polygamous spouses with offspring, to several generations of parents and their children. eg. Nuclear family, joint family, Patriarchal family, Matriarchal family Household Def- as the basic residential […]

The factors which have affected the family, its structure and functions are: Industrialization Urbanization Modernization Money Economy Secular Mechanism Science and Technology specially developments in birth control and assisted conception Value system Political factors like state intervention through legislation, ideological factors like gender equality, individuality, panchayati raj etc., The impact of the western society