meaning of heredity

Meaning of Heredity - Heredity may be defined as the transmission of characteristics through generations. The characteristics include all physical, physiological and psychological characteristics in organisms. All these characteristics are called the trai..

Heredity may be defined as the transmission of characteristics through generations. The characteristics include all physical, physiological and psychological characteristics in organisms. All these characteristics are called the trait..

Physical Basis of Heredity - According to Mendel, the genotype is made of certain structures called factors. The factors controlled the inheritance of all traits. These factors are present in pairs. The factors are now called genes. Thus the physical basis of heredity are the ge..

According to Mendel, the genotype i.e., the combination of genes or the genetic constitution is made of certain structures called factors. The factors controlled the inheritance of all traits. These factors are present in pairs. The factors are now called genes. Thus the physical basis of her..

a. a continuous demand b. to respect and approve c. returning something to its mineral state d. related to heredity e. with exactne..

Once a very beautiful actress met the famous English play-wright, George Bernard Shaw. She wanted to propose to him and said, "Will it not be wonderful if our child has my beauty and your brains?" To this George retorted, "What if the child has your brains and my looks?" What do you think they were..

Haeckel (1834-1919) formulated that 'ontogeny recapitulates phylogeny'. This means that the developmental stages that an organism goes through repeat the evolutionary history of the group to which the organism belongs. Stages in Embryological Development Though it does not explain the mec..

The principle of adaptive radiation is based on two evolutionary mechanisms: Divergent evolutions Convergent evolutions Divergent evolution involves the homologous structures. A group of organisms modify a common homologous structure to perform different functions. An example is the modificat..

. Organisms with hard parts - shells, carapaces and skeletons appeared. The first fish and the first vertebrates appeared; plants, previously restricted to the oceans, began the colonization of the land; the first insect evolved, and its descendants became the pioneers in the colonization of the la..

Evolution Should not be Equated with Progress - All of the changes, diversifications, and extinctions that happened over the course of life's history are the patterns of overall evolution. Evolution of life has been taking place for about 3.8 billion years of time. When we view macroevolution - the..