ZOL_320_Study_Guide_5_Gametogenesis_Sper

ZOL_320_Study_Guide_5_Gametogenesis_Sper - ZOL 320 Study...

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ZOL 320 Study Guide 5 Gametogenesis and spermatogenesis Reading: Chapter 4 Define, describe or illustrate the following: Gametogenesis Primordial germ cells cytoplasmic localization cytoplasmic determinants germ plasm genital ridge oogonia (oogonium) spermatogonia (spermatogonium) germ cell crescent hypoblast epiblast yolk sac cKit (W spotting gene) Mgf (Steel gene) indifferent gonad spermatozoa (spermatozoon) ova (ovum) meiotic division I meiotic division II sex chromosomes autosomes zygote Prophase I synapsis leptotene zygotene synaptonemal complex tetrad (bivalent) pachytene chiasma (chiasmata) diplotene diakinesis dyad seminiferous tubules type A spermatogonia type B spermatogonia primary spermatocyte secondary spermatocyte spermatid spermiogenesis Sertoli cells acrosome protamines Leydig (interstitial) cells gonadotropin releasing hormone (GNRH) Leutinizing hormone (LH) Follicle stimulating hormone (FSH) inhibin 1. Describe the stages of prophase in Meiosis I in order and tell what happens to
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ZOL_320_Study_Guide_5_Gametogenesis_Sper - ZOL 320 Study...

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