Analisis Pedigree dan Fenotip Pasangan Kembar: Studi Kasus Pada Keluarga Kembar di Kecamatan Laweyan, Surakarta
The twin pregnancy is a kind of pregnancy with two or more fetuses. Basically, the twins can be grouped of two, they are fraternal twins (dizygotic) and identical twins (monozygotic). Fraternal twin is a kind of twins that comes from two ova, which each of them will be fertilized by the sperm. While, identical twin comes from an ovum, which fertilized by a sperm. This research is conducted in order to observe the inheritance pattern from the pedigree chart, and to observe similarity and dissimilarity phenotype between twin couple on families observed. Methods used for this research are data collection to construct pedigree, phenotype analysis to compare the similarity and dissimilarity phenotype between the twins that are observed, paraffin method to observe the form of hair from cross section and agglutination reaction to observe the blood group from the twins. Based on pedigree chart of twins in Laweyan, Surakarta, it seems that the identical twins is passed
from generation to generation, and on the family observed the inheritance pattern of identical twins birth process is come from the women of identical twins. The lobe of ear from each twins there is a twin couple showing the different lobe. There is any similarity and dissimilarity relate to form of hair cross section from each couple. The blood group of each couple are showing the same result.
Keywords: identical twins, inheritance pattern, pedigree chart
Copyright (c) 1970 Yuyun Machwiyah, Niken Satuti Nur Handayani
This work is licensed under a Creative Commons Attribution 4.0 International License.
COPYRIGHT AND LICENSE STATEMENT
Biogenesis: Jurnal Ilmiah Biologi is published under the terms of the Creative Commons Attribution license. Authors hold the copyright and retain publishing rights without restriction to their work. Users may read, download, copy, distribute, and print the work in any medium, provided the original work is properly cited.
LICENSE TO PUBLISH
The use of the article will be governed by the Creative Commons Attribution license as currently displayed on http://creativecommons.org/licenses/by/4.0.
2. Author’s Warranties
The author warrants that the article is original, written by stated author/s, has not been published before, contains no unlawful statements, does not infringe the rights of others, is subject to copyright that is vested exclusively in the author and free of any third party rights, and that any necessary written permissions to quote from other sources have been obtained by the author(s).
3. User Rights
Under the Creative Commons Attribution license, the users are free to download, reuse, reprint, modify, distribute and/or copy the content for any purpose, even commercially, as long as the original authors and source are cited. No permission is required from the authors or the publishers.
If the article was prepared jointly with other authors, the corresponding author warrants that he/she has been authorized by all co-authors, and agrees to inform his/her co-authors of the terms of this statement.
Biogenesis: Jurnal Ilmiah Biologi may conform the article to a style of punctuation, spelling, capitalization, and usage that it deems appropriate. The author acknowledges that the article may be published so that it will be publicly accessible and such access will be free of charge for the readers.