Question

How are multiple embryos formed in a citrus fruit ? What is the mechanism known as ?

Name and explain the structural organisation of the male sex accessory ducts in the human male reproductive system.

Describe the role of gonadotropin FSH in the regulation of spermatogenesis.

Given below are a few statements with respect to spermatogenesis in a human male. (i) Sperms are released from the seminiferous tubules by the process of spermiation. (ii) Spermiogenesis involves the maturation of spermatids into sperms. (iii) Spermatogonia produce spermatids by the process of spermiogenesis. (iv) Meiosis II in secondary spermatocytes results in the formation of four equal haploid spermatids. (v) Primary spermatocyte completes the first meiotic division forming two equal, diploid cells called secondary spermatocytes. Choose the option with all true statements from the given options :