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Class 10Heredity— NCERT Science, Chapter 8. The eighth chapter of NCERT's Class 10 Science book, much shortened in the rationalised edition, explains how variations are created and passed on. Variation…
Class 12Human Reproduction— NCERT Biology, Chapter 2. The second chapter of NCERT's Class 12 biology book describes human reproduction from gamete to birth. The male system has two testes in the scrotum (about 250 lobules…
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