Create a flip book showing the stages of meiosis use the meiosis flip book papers to draw and color the stages. They absorb dye very easily, allowing them to be seen under a microscope, and were discovered in 1888. Alfred cuschieri university of malta department of anatomy objectives by the end of the session the student shoud be able to. Meiosis hanya terjadi pada fase reproduksi seksual atau pada jaringan nuftah. We will discuss the interrelated processes of chromosome.
Secara umum dapat disimpulkan berguna pada pergerakan sel. Understanding of mitosis and meiosis in higher secondary. Ketika masa puber, oosit primer melakukan pembelahan meiosis menghasilkan oosit sekunder dan badan polar pertama polosit primer. Meiosis molecular mechanisms and cytogenetic diversity. Meiosis pdf meiosis is the process of nuclear division which occurs during the final stage of gamete formation. Faktor tersering terjadinya isokromosom berhubungan dengan lengan panjang xkromosom dimana hal ini juga sering tampak pada penderita sindrom turner. Pembelahan cara ini banyak dijumpai pada selsel yang bersifat prokariotik, misalnya pada bakteri, ganggang biru. Having the total number of chromosomes that an organism needs to survive.
The process of meiosis openstax college this work is produced by the connexions project and licensed under the creative commons attribution license 3. Video ini memberikan gambaran mengenai proses pembelahan sel secara meiosis. Modified cell cycle regulation in meiosis chapter pdf available in genome dynamics and stability 2. Penentuan waktu perendaman sel fase mitosis akar bawang merah allium. The cell cycle, mitosis and meiosis learning objective this learning material is about the life cycle of a cell and the series of stages by which genetic materials are duplicated and partitioned to produce two daughter cells with the same genetic component as the parent cell. Mitosis dan meiosis merupakan bagian dari siklus sel dan hanya mencakup 5. You might wish to conduct this laboratory as two separate exercises. The phases of meiosis are s phase the dna is replicated, fo rming sister chromatids. Meiosis occurs only at the final division of gamete maturation.
Meiosis is the process of deriving haploid cells from diploid cells. Amitosis adalah reproduksi sel di mana sel membelah diri secara langsung tanpa melalui tahaptahap pembelahan sel. Mitosis merupakan pembelahan sel yang meliputi pembelahan dan pembagian nukleus beserta kromosomkromosom di dalamnya. Meiosis has been studied at the cytological, genetic, molecular and cellular levels. Prokaryotic cell division cells reproduce by binary fission much simpler process than in eukaryotic organisms begins with dna replication, each copy moves to. Pembelahan meiosis pembelahan mitosis adalah pembelahan yang. Pembelahan mitosis terjadi pada sel tubuhautosom, sedangkan pembelahan meiosis. Back ground kemampuan melakukan replikasi self replication penambahan jumlah dan volume sel ada 2 proses. The cell cycle, mitosis and meiosis university of leicester. Meiosis i prometafase i anafase i telofase i sitokinesis i profase i metafase i lima tahapan profase i leptoten diakinesis diploten pakiten zigoten bab 4 pembelahan sel pembelahan meiosis 2.
Figure 16 shows the division of chromosomes and chromatids during meiosis. They are made up of a strand of dna wound around histones proteins. Chromosomes and meiosis chromosomes are long, threadlike structures that form part of the chromatin network in the nuclei of cells. Proses oogenensis dipengaruhi oleh beberapa hormon yaitu. Almost 90 of the cycle is taken up with interphase during which dna in the nucleus is replicated. We will focus on oocyte meiosis, as later stages of prophase in oocytes are cytologically more accessible than during spermatocyte meiosis. The crucial features specific to meiosis assure that manoj comics free download pdf each of.
Jun 10, 2010 video ini memberikan gambaran mengenai proses pembelahan sel secara meiosis. Where the sex starts, video from crash course biology meiosis animation, stepthrough and quiz, sadava, et al. Kita mengenal tiga jenis reproduski sel, yaitu amitosis, mitosis dan meiosis pembelahan reduksi. Comparing and contrasting describe a similarity and a difference between meiosis i and meiosis ii. Interfase i meiosis sama dengan interfase mitosis yaitu terjadi sintesis dan replikasi dna. Proses ini dipengaruhi oleh fsh folicel stimulating hormon. Meiosis main page on the virtual cell biology classroom of science prof online. Create an animated movie showing the cycles of meiosis using clay. Having half the total number of chromosomes an organism needs to survive. The science of biology, 9th edition, sinauer associates. Understanding of mitosis and meiosis in higher secondary students of northeast india and the implications for genetics education ansuman chattopadhyay department of zoology, visvabhatati, 731235, santiniketan.
Mitosis y meiosis pdf by darwin daniel campos issuu. Distinguish between diploidy, heteroploidy and polyploidy name the phases of the cell cycle. Tahapan pembelahan mitosis terdiri atas meiosis i dan meiosis ii. Faktor tersering terjadinya isokromosom berhubungan dengan lengan panjang x kromosom dimana hal ini juga sering tampak pada penderita sindrom turner. Compare the number and type of cells that result from meiosis vs. Cells undergoing meiosis divide twice, resulting in 4 haploid 1n cells. Allium ascalonicum, pembelahan sel, perendaman, safranin. This oer consists of an instructional sheet produced by genie cetl in the department of genetics.
Disamping itu, pada meiosis terjadi dua kali periode pembelahan sel, yaitu pembelahan i meiosis i dan pembelahan ii meiosis ii. Cells preparing to divide by meiosis undergo the g 1, s, and g 2 phases of interphase. Hubungan pembelahan meiosis dengan pindah silang 80. Gametogenesis adalah peristiwa pembentukan gamet yang dihasilkan kromososm diploid sebab dalam peristiwa gametogenesis terjadi pembelahan meiosis di dalam testis atau ovarium umptn, 2000 4. Therefore, conclusion about level, degree or precise timing is inadequate until new approaches are implemented to know the details of msci or other processes involved for d. Just as in mitosis, this begins with the doubling of the dna and chromosomes during the s stage of interphase, but unlike mitosis, meiosis consists of two divisions, thus producing four cells, each with half the original dna i. Review meiotic sex chromosome inactivation in drosophila. Pembelahan mitosis 2 pembelahan meiosis terjadi pada sel gamet meiosis i profase i telofase i anafase i metafase i meiosis pembelahan sel gamet. Processes that include the cell cycle and mitosis or meiosis plus fertilization. Mekanisme dan tata cara seleksi serta cakupan materi yang diujikan. Cell division, perhaps the most important is among the most difficult topics in biology to teach. They will begin by comparing and contrasting it with mitosis a commonly confused process and move into modeling meiosis in a handson activity.
Mitosis and meiosis are both types of cell division. Oct 19, 2017 pembelahan sel mitosis dan meiosis reza muliawan. Meiosis can be considered as two cell divisions known as meiosis i and meiosis ii, each of which can be considered as having prophase, metaphase, anaphase and telophase stages as in mitosis. Meiosis institute of biology and medical genetics of the first faculty of medicine and general teaching hospital. Rapid mitotic division is also a characteristic of tumors and cancers. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Pembelahan sel free download as powerpoint presentation.
You may take pictures or video tape to record this. M e io s is is a p ro c e s s fo r re d u c in g c h ro m o s o m e n u m b e r fro. Hormon fsh yang berfungsi untuk merangsang pertumbuhan selsel folikel sekitar sel ovum. Pada meiosis tahap pertama, setiap spermatosit primer membentuk dua spermatosit sekunder masingmasing dengan 23 pasang kromosom haploid. Normal karyotype germinal cell pair of chromosomes after the meiosis i single chromosome after the meiosis ii monochromatidal chromosome chromatid disjunction no. Pada meiosis, terjadi perpasangan dari kromosom homolog serta terjadi pengurangan jumlah kromosom induk terhadap sel anak. Define the meaning of chromosomes state how a kayotype is constucted. Bohrgasse 9, 1030, vienna, austria 3 mrc clinical sciences centre, imperial college, du cane road. This learning material is about the life cycle of a cell and the series of stages by which genetic materials are duplicated and partitioned to produce two daughter cells with the same genetic component as the parent cell. In this topic we will examine a second list, describe.
Describe the behavior of chromosomes during meiosis describe cellular events during meiosis explain the di erences between meiosis and. Cells begin meiosis with a duplicate set of chromosomes, just like mitosis. Meiosis is a specialised type of cell division, the principal function of which is to produce sporesgametes sperm and eggs in mammals that have the haploid number of. How do the genetic contents of cells resulting from mitosis and meiosis differ. Meiosis it is a type of cell division in which the chromosome number is halved from the diploid number 2n to a haploid number n. In addition, we will see how the 2 types of eukaryotic cell division, mitosis and meiosis, are involved in transmitting genetic information from one generation to the next during eukaryotic life cycles. Meiosis, the process of forming gametes in preparation for sexual reproduction, has long been a focus of intense study. Dengan demikian, semua materi yang dipelajari dalam biologi dapat. Sebelum memasuki meiosis i terlebih dahulu terjadi interfase i. M e io s is is a p ro c e s s fo r re d u c in g c h ro m o s o m e n u m b e r fro m 2 n to 1 n. Meiosis produces gametes, which are haploid reproductive cells. Reduction of the chromosome number and separation by meiosis a a paternal a a anaphase i aa aa aa a maternal anaphase ii. Pembelahan meiosis sel induk spora pada tumbuhan paku terjadi dalam protalium sebab dalam protalium dibentuk antheridium dan arkegonium umptn, 1993 3. Studies in model systems have revealed common underlying mechanisms while in parallel, studies in diverse organisms have revealed the incredible variation in meiotic mechanisms.