Gametogenesis (Grade 12 NSC Matric Life Sciences): Flashcards
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Gametogenesis definition
Gametogenesis definition
Process forming gametes from germinal epithelium
Typical age range of puberty
Typical age range of puberty
11 to 15 years
Male hormone regulating spermatogenesis
Male hormone regulating spermatogenesis
Testosterone
Where spermatogenesis occurs in testes
Where spermatogenesis occurs in testes
Seminiferous tubules
No. of functional sperm from one diploid cell
No. of functional sperm from one diploid cell
Four haploid spermatids
Function of acrosome in sperm head
Function of acrosome in sperm head
Contains enzymes to break down egg's protective layers
Role of mitochondria in sperm middle section
Role of mitochondria in sperm middle section
Generate energy for sperm movement
Frequency of egg release in oogenesis
Frequency of egg release in oogenesis
Approximately every 28 days
No. of functional eggs from meiosis in oogenesis
No. of functional eggs from meiosis in oogenesis
One (other three degenerate)
Function of cytoplasm in egg cell
Function of cytoplasm in egg cell
Nutrient store for developing embryo