Here is an essay on ‘Heredity’ especially written for school and college students in Hindi language. व्यक्तिकेब्यक्तित्व निर्माण एवं विकास को प्रभावित करने वाले कारकों में एक मुख्य कारक आनुवंशिकता अथवा वंशानुक्रमण भी है । अंग्रेजी भाषा में इसे हेरेडिटी (Heredity) पुकारा जाता है । इसकी उत्पत्ति लैटिन शब्द हेरीडिटास (Heredities) से हुई है । शाब्दिक आधार पर आनुवंशिकता का [...]
The following points highlight the top three characters which are not heritable among animals. The characters are: 1. Acquired Modifications due to Disease 2. Characters Peculiar to Sex 3. Certain Parental Characteristics. Character # 1. Acquired Modifications due to Disease: Acquired modifications due to disease mutilation, use or disuse of parts, and changes due to the direct action of the [...]
In this article we will discuss about the physical basis of heredity with theories investigated by a great number of workers, some of whose results are as follows: Encasement Theory: One of the older, but now abandoned, ideas was set forth in the preformation or encasement theory, which supposed that the germs of all future generation were encased one within [...]