rt Design Layout References Mailings Review View Calibri Total a40 points Sperma
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Question
rt Design Layout References Mailings Review View Calibri Total a40 points Spermatorenesis Match each descriptions to the correct term. (6 pts) dipiold cell reody for Meiosis _ direct product of Meiosis II _ primitive stem cell a. primary spermatocyte b sesondax, spermatocyte d sustentecyte. (Sectali) cell e. spermatid f. sperm product of sestmisesosis provides nutrients to developing sperm product of Meiosis I Use Diagram the illustration below to answer questions # 1-2 1?Letters A, and C label 3 deferent types of cells found in the teste. dentity each cell by name indicate what, if any, hormonels) each produces (6 pts) Page 1 of 4 369 words ? English(US)Explanation / Answer
1)a primary spermatocyte is diploid cell ready for meiosis 1
2)e spermatid is direct product of Meiosis 2
3)c spermatogonium are primi stem cells
4)f sperm is a product of spermiogenesis.
5)d sertoli cells pprovide nutrients to sperm.
6)b secondary spermatocyte is product of Meiosis 1
The question is not that clear
Diagram
A ) leydig interstitial cell it releases androgen that is testosterone.
They are located in seminiferous tubules.it is here where spermatogenesis takes place.it is controlled by lutenizing hormone from pituitary.
B) spermatogonium
C)although c is not clear
C is sertoli cell which nourishes sperm it is controlled by follicle stimulating hormone.it secreate inhibin and activin. It stimulate spermatogenesis.they nourish sperm with nutrients.
2))cell b undergo mitosis and meiosis it is spermatogonium first it undergoes mitosis to increase the number of sperm and help in maturation.mitosis doubles the number and it undergoes Meiosis to maintain the chromosomal integrity .human fertilized zygote have 46 number of chromosome s so half of chromosome s comes from each parent 22+1 from male and 22+1 from female which unite to form the 46 number of chromosome so Meiosis cause the chromosome number to be halved after each Meiosis chromosome number is halved.which maintains the chromosome number .
3 diagram
D) spermatogonium 2n
E) primary spermatocyte 2n
F)secondary spermatocyte 2n
G)spermatid n
Spermatogenesis-
Step 1) proliferation phase- spermatogonia undergoes mitosis.where it proliferates.
Step2)each proliferation result in primary spermatocyte
Sstep3)primary spermatocyte undergoes 1 step of meiosis to form 2 secondary spermatocyte
Step 4) secondary spermatocyte undergo meiosis to form spermatid s.
Step 5)spermatid s under maturation to form sperms.
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