BIOM 3200: Spermatogensis Study Guide Exam And Actual Answers.

where are spermatogonia located? - Answer outer region of seminiferous tubules what type of cell are spermatogonia? - Answer diploid what cell do spermatogonia give rise too? - Answer haploid gametes what happens to spermatogonia? what do they turn into? - Answer -duplicate themselves by mitotic division, and only one cell is now called a primary spermatocyte, and undergoes meiotic division how many sperm are made each day normally by a man? - Answer 300 million what happens to a diploid primary spermatocyte - Answer -after completing meiosis 1 -two haploid cells = secondary spermatocytes what happens to the haploid secondary spermatocytes? - Answer -meiosis 2 allows both haploids to produce two spermatids how many spermatids are produced from a primary spermatocyte? - Answer 4 Why are spermatids not considered functional gametes? - Answer -cytoplasm does not completely pinch off at the end of division, so development is still needed what happens to spermatids? - Answer development of the 4 connected spermatids (from the sertoli cells) that then produce mature spermatozoa explain all the steps of spermatogenesis - Answer 1. spermatogonia with 46 chromosome undergo mitosis, and turning into 2: primary spermatocytes (one carries forward) 2. primary spermatocytes then go onto divide by stage 1 of meiosis into 2 haploid cells called