In this article we will discuss about the functions of male and female reproductive organs, explained with the help of suitable diagrams. Male Reproductive Organs: Sperms are produced in the testes. The testes are two oval bodies and are suspended in a sac hanging from the lower wall of the abdomen, the scrotum. Each testis is composed of coiled anastomosing [...]
In this essay we will discuss about lymphocytes and its types. Lymphocytes are a kind of granulocytes of leucocytes (WBCs) of blood. These form the main cells involved in immune system. These are formed by liver and thymus in the foetus and by the bone marrow and lymph nodes in adults. These form about 30% of leucocytes of blood. There [...]
Read this article in Hindi to learn about the Mendelian theories and its explanations. मेंडल के वंशागति के नियमों में पृथक्ककरण का नियम (law of segregation) की जानकारी के अनुसार किसी जीन के एलील गैमीट बनते समय एक-दूसरे से पृथक हो जाते हैं अत: जितने प्रकार के गैमीट बनेंगे (विशुद्ध एवं संकर) F1 या F2 में संतति उतने ही प्रकार [...]