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 [...]
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 [...]
In this article we will discuss about the sex determination in humans. The problem of sex determination is an interesting one for which many theories have been advanced but the fundamental differences in sex are not so great as might be imagined, as the organs of the one are often represented as rudiments in the other, the differentiation coming about [...]