Gadong Taohy


Gametogenesis Spermatogenesis Pembentukan spermatozoa Di testis MAKALAH-RADIOLOGI; University of Jember; FMIPA – Winter IVG has four important foreseeable applications: to provide an in vitro model for the study of human gametogenesis (the formation of gametes) and diseases of. my name is suwaibah khaira, i am a college studentedit. Advisors: edit. Drafts ยท Laporan Pratikum Gametogenesismore. by Suwaibah Rao.

Author: Braramar Gura
Country: Fiji
Language: English (Spanish)
Genre: Personal Growth
Published (Last): 9 April 2015
Pages: 154
PDF File Size: 11.88 Mb
ePub File Size: 1.86 Mb
ISBN: 259-5-31015-488-4
Downloads: 5767
Price: Free* [*Free Regsitration Required]
Uploader: Yomuro

Suppose further that at ten of these loci, alleles contribute recessively to the desired trait. Furthermore, the function of the genetic sequencing of many genes has not yet been discovered and this must be known before any screening for selection purposes or genetic manipulation could take place. Hal ini disebabkan karena sperma belum sempat dewasa sehingga tidak dapat membuahi sel telur.

Berisi tentang gametogenesis, proses mitosis dan meiosis yang terjadi pada spermatogenesis, dan oogenesis. malalah


IVG, based on this research, would involve a number of steps. Now suppose now that our couple could create large numbers of embryos using IVG, followed by pre-implantation genetic diagnosis. Medical journal of Australia.

Hormon ini penting fametogenesis tahap pembelahan sel-sel germinal untuk membentuk sperma, terutama pembelahan meiosis untuk membentuk spermatosit sekunder.

Suwaibah Rao | Universitas Samudra Langsa –

Fungsi uterus adalah mensekresikan cangkang. Selama meiosis, satu oosit primer menghasilkan empat sel anak, masingmasing dengan 22 kromosom plus 1 kromosom X. According to Refstie et al. Proses pemasakan spermatosit menjadi spermatozoa disebut spermiogenesis. Reprogramming of human somatic cells to pluripotency with defined factors. Thus, those who oppose all embryo destruction will also oppose this technology.


Akrosom mampu menembus lapisan jelly yang mengelilingi telur dan membuahinya bila perlu. Gametogenesis the formation of gametes in animals Gametogenesis although Gametogenesis in males and females is generally the same there are some general. Di bagian kepala ini terdapat 22 kromosom tubuh dan 1 kromosom kelamin yaitu kromosom X atau Y, kromosom X untuk membentuk bayi berkelamin perempuan, sedangkan kromosom Y untuk membentuk bayi berkelamin laki-laki.

Arai and Rustidja [ 78 ] assumed that the speed of growth of polyploidy, particularly for triploid fish to be sterile, is possible. Sepanjang profase, kromosom memadat, memendek, dan menebal, tetapi hanya saat prometafase kromatid dapat dibedakan. But using IVG, it may also become feasible for a couple to select for desired polygenic traits.

The numbers of chromosome of diploid on Cyprinus carpio Linn Punten race is 97 chromosomes and tetraploid as many as chromosomes. Pada laki-laki, spermatogenesis terjadi seumur hidup dan pelepasan spermatozoa dapat terjadi setiap saat Budiyanto, IVG combined with selection at the level of the embryo would almost certainly result in the destruction of huge numbers of embryos.

This is an open-access article distributed under the terms of the Creative Commons Makalay License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and ganetogenesis are credited.

Science often progresses in leaps and bounds, and has taken society by surprise in the past and will do so again. Meiosis memerlukan dua pembelahan sel, yaitu meiosis I dan meiosis II, untuk mengurangi jumlah kromosom menjadi jumlah haploid Phillips [ 13 ] explained that the possibility of cells that have a few number of nucleoli is due to gametohenesis incorporation of NORs, while the possibility of cells that have a lot of number of nucleoli is caused by the separation of nucleolar during the chromosome formation at the different locations within the cell.

  ISO 15963 PDF

We are a non-profit group that run this website to share documents. Instead it provides us with the initial framework on which to build our lives and character, the selection or manipulation of which may broaden rather the limit the opportunities available to us and hence increase the number of different paths which our lives could take.

Kloaka pada ayam betina dan itik betina berfungsi sebaga tempat dikeluarkannya telur.

Animal testing becoming the subject of this research is the seed carp Punten race obtained from artificial fertilization. Furthermore the human genome is made up of such vast numbers of genes that the fraction being selected for would be a tiny percentage.

Haid adalah peristiwa keluarnya darah dari vagina. A Reply to Savulescu. In vitro germline potential of stem cells derived from fetal porcine skin.

Sperma ini mengandung enzim yang memegang peranan dalam menembus membran sel telur Budiyanto, Anatomi alat reproduksi itik betina terdiri gsmetogenesis a tas dua bagian utama yakni ovarium dan oviduct. It could be argued that the more traits we select for, the more parental expectations there will be for the child to live up to.