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Maturation Phase
The Maturation phase characterizes he transformation of diploid primary spermatocytes into haploid spermatids. The primary spermatocyte divides meiotically to produce two secondary spermatocytes each with a haploid nucleus. Each of the secondary spermatocytes undergoes second meiotic division to produce two haploid spermatids. Each spermatid undergoes an intracellular differentiation to produce spermatozoa. The process of intracellular differentiation of a spermatid into spermatozoa is known as spermiogenesis. We shall now describe the spermiogenesis process in detail.
Figure: Section of seminiferous tubules in a human testis showing different stages of spermatogenesis
a) Why do C 4 plants have dimorphic chloroplasts? Describe the different steps involved in C 4 photosynthetic carbon cycle in such plants.
Describe the factors that are involved in the regulation of respiration in a child who decides to hold his/her breath for as long as possible.
URETHRA - It is common duct as sperms & urine both pass from it. It receives juices of prostatic gland & cowper's gland. Urethra is 20 cm long, passes through the peni
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functions of liver in frog?
Insect killing jar Secure a wide-mouth glass jar with a screw top or single which closes very tightly. Place a wad of cotton in the bottom and cover it with a round piece of ca
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