tag:blogger.com,1999:blog-37148773.post4344336118781759335..comments2024-03-27T14:50:47.345-04:00Comments on <center>Sandwalk</center>: On Teaching Genetics Using Students' and Parents' ABO Blood TypesLarry Moranhttp://www.blogger.com/profile/05756598746605455848noreply@blogger.comBlogger10125tag:blogger.com,1999:blog-37148773.post-74820578202660382182013-05-22T21:57:46.459-04:002013-05-22T21:57:46.459-04:00Unless those numbers refer to a specific culture, ...Unless those numbers refer to a specific culture, I'm pretty sure that a 50% or higher cuckoldry rate is unheard of. I suspect that you have not remembered the values correctly.Reed A. Cartwrighthttps://www.blogger.com/profile/09424752191244830656noreply@blogger.comtag:blogger.com,1999:blog-37148773.post-42039955346051359162013-05-22T09:38:16.575-04:002013-05-22T09:38:16.575-04:00This should not be a surprise to most parents actu...This should not be a surprise to most parents actually. Once you have a child, finding a 'quiet moment' to make another is hard. Once you have two children, it's even harder!!Gavynhttps://www.blogger.com/profile/09668192249357521817noreply@blogger.comtag:blogger.com,1999:blog-37148773.post-57688600204313479122013-05-17T15:52:18.797-04:002013-05-17T15:52:18.797-04:00I was told that the university where I studied did...I was told that the university where I studied did some kind of chromosome prep practical with the students' own chromosomes until they had a few cases where previously unknown aneuploidies and suchlike were inadvertently discovered during the course.Alex SLhttps://www.blogger.com/profile/00801894164903608204noreply@blogger.comtag:blogger.com,1999:blog-37148773.post-87648225245379471662013-05-17T09:47:23.121-04:002013-05-17T09:47:23.121-04:00My college genetics professor told a similar story...My college genetics professor told a similar story 50 years ago to tip students to the risk of embarrassment when using personal traits to question Mendelian genetics.W. Bensonhttps://www.blogger.com/profile/11019350102074238654noreply@blogger.comtag:blogger.com,1999:blog-37148773.post-26982476188053310682013-05-17T09:01:44.261-04:002013-05-17T09:01:44.261-04:00One of my colleagues was doing genetic research th...One of my colleagues was doing genetic research that involved collecting samples from entire families. One unexpected incidental finding was that, while for first children the paternity of the identified father was a most always confirmed, for a second child it went down to around 50%, and below that for subsequent children. Wisely, the investigators did not inform subjects of this. But if you were born late in a large family, you might want to have a look around the table at the next family gathering and consider how much you really resemble those people.... Faizal Alihttps://www.blogger.com/profile/00937075798809265805noreply@blogger.comtag:blogger.com,1999:blog-37148773.post-51452918419842875122013-05-17T05:56:16.047-04:002013-05-17T05:56:16.047-04:00EDIT
This stuff also happens when speaking about ...EDIT<br /><br />This stuff also happens when speaking about eye color heredity, even in college basic genetics courses. Suddenly, a junior student will come up and say "but professor, my parents both have shinny blue eyes and I have dark brown eyes. What's up with that?" and everyone is like "ups...."<br /><br />I've read a post here at Sandwalk about eye color genetics and clearly it's a bit more complicated than the simplistic mendelian way eyes color genetics is usually used as an example even in college. Pedro A B Pereirahttps://www.blogger.com/profile/15195139833344839287noreply@blogger.comtag:blogger.com,1999:blog-37148773.post-16524563082713043902013-05-17T05:52:15.097-04:002013-05-17T05:52:15.097-04:00This comment has been removed by the author.Pedro A B Pereirahttps://www.blogger.com/profile/15195139833344839287noreply@blogger.comtag:blogger.com,1999:blog-37148773.post-46953881555680529002013-05-17T00:42:14.195-04:002013-05-17T00:42:14.195-04:00My blood type is AB-. I don't remember what my...My blood type is AB-. I don't remember what my parents' blood types are. The whole truthhttps://www.blogger.com/profile/07219999357041824471noreply@blogger.comtag:blogger.com,1999:blog-37148773.post-33243018251279031012013-05-16T19:31:44.375-04:002013-05-16T19:31:44.375-04:00I know that where I teach we are not permitted to ...I know that where I teach we are not permitted to take blood samples from students. We are not trained to take blood, nor do we work in a sterile environment. Whenever I teach ABO blood type crosses, I usually work with hypothetical situations, so we dont get into anything too personal. <br /><br />But, I will be honest, this is the first I have read of different O alleles. I've always read, and understood the O allele to be an absence of A and B alleles. Looks like I have something new for my lessons. VitaminBhttps://www.blogger.com/profile/04252106524206461753noreply@blogger.comtag:blogger.com,1999:blog-37148773.post-47824048453647638812013-05-16T18:01:00.638-04:002013-05-16T18:01:00.638-04:00I agree. In the US, if what the students are doin...I agree. In the US, if what the students are doing is "research", rather than for example a clinical study, they will require signed informed consent forms from all participants approved by an IRB with the risks of the study clearly delineated.whimplehttps://www.blogger.com/profile/15979048635836472956noreply@blogger.com