Genetics

When you do the research it seems that the general consensus nowadays is that race does not exist. That race is a "social construct". This is confusing because in the medical fields and in forensic anthropology, among others, race is very real. It is also very real when you step outside and observe the striking difference between, say, a German-American and a Mexican-American. Is this political correctness or is race really nothing more than a social construct? Here are my questions: 1. People who deny the existence of race always reduce it to skin-color. I think skin-color is the least accurate way to determine a person's race. A Japanese person and a Germa…

Which human diploid cell would you use for cloning? What genetic basis did you choose this cell for? Thanks a bunch guys my friend and I keep debating it. I personally think human neural stem cells, which he says I can't choose a stem cell so I just choose nerve cells from the CNS because they duplicate very slowly, if ever and thus have the lowest chance of getting a mutation.

Hi all, 2 questions on the above. 1) Could someone give me a comprehensive definition of the term 'segregating population' please? As I understand it, it is a population of one particular species that is the progeny of a cross, ie Mendels pea example would have a segregating population being the progeny of Aa and Rr. Is that right? 2) Is it only a segregating population that be used for molecular markers? Many many thanks. Phil

alright so i'm a novice when it comes to science, don't know much about it... at all. probably couldn't even pass grade school quizzes if they were presented to me. so i have no idea how genetics work, but i have a question i'd like to be answered, please. a friend of mine's mother is white, and his father is half black and half latino. another friend of mine is trying to argue that he's 1/3rd black, 1/3rd white, and 1/3rd latino. but that doesn't really seem to add up in my head. i figure he's half white, a quarter black, and a quarter latino. please correct me if i'm wrong, or let me know if i'm right.

Hi I wondering if someone could help me. If a plasmid that is in a cell has a specific type of RNA promotor and sits besides a Reporter Gene (but does not contain the gene for RNA polymerase for that promotor) and the cell it is in has the RNA polymerase gene in its chromosomal DNA is there a specific name for the process in which after the production of the RNA poylmerase has been induced and completed how does the RNA polymerase travel to the plasmid to bind to its promoter in order to create mRNA that are used to express the Reporter Gene. Assuming that I have the right idea, what would this process be called? Since I am referring to a bacteria cell and …

Please take my survey on genetic engineering. I am writing a research paper on it and it requires this survey. http://www.surveymonkey.com/s/FMNRCDH Greatly appreciated. Thank you.

Im currently researching on what i need for my small scale Rhgh setup. Ive found several companies who will sell me the E.coli to mix with the RHGH gene into vats. I am needing more info on replicating the 191 amino acids gene on a larger scale, i will be starting with the intent to make 1/4th pound batches. All reagents needed for the purification process would be helpfull to list, thoe i will eventually find them during my research.

Hi, I was given a workshop on how to do a two point test cross. But the lecturer didn't go over three point. I went off to do it by myself and spent hours trying to work. Long story short, I got the progeny for cross like this. V (vermillion) cv (crossveinless wings) (ct (cut wing edges) --> mutant alleles Wily type--> + (red eyes) +(cross veined) + ( normal wings) v ct cv/ + + + (arbitrarily ordered female) x V ct cv/ v ct cv (male) I got 8 progeny from double and single crosses. v + + = 580 +cv ct = 592 Those were the parental V cv +=45 ++ct=40 v ct cv=89 +++=94 single crosses v+ct=3 +cv+=5 double crosses and …

How we behave in the interaction of genes questions???

Hello everyone I was wondering something. During our lectures I have learned about the concept of genetic mapping but now really how it is achieved. In outline, how is such a thing done in diploid and haploid organism. I'm assuming that in haploids, maybe someone sort of test cross is done where a known homozygote and heterozygote (if that is possible to have in haploid) are crossed and the progeny are observed. But, I'm not 100% sure how a diploid would be crossed. I did try looking around but didn't get a straight answers. Obviously, there would be a known homo and hetrozygote again. But the procedure I don't know. Cheers guys for the useful …

Hi I ran a gel with plasmids digested by a restriction enzyme. The cut plasmid is in three seperate bands at 4000 bp, 3000 and 2000 I also ran a control with the plasmid without a the restriction enzyme in another well of the gel. It has moved further past the first cut band to about 3500 bp? Is this possible because the plasmid is coiled and the cut pieces of the digested plasmids are more linear? Or is this not possible. There seems to be two bands in my control which has me worried. the other which much thicker could be RNA I suppose. right? Thanks

Klinefelter’s syndrome, in which a male has an extra X chromosome (XXY), is the result of nondisjunction. The failure in spermatogenesis that could produce this would occur in: B. Anaphase II. A. Anaphase I. C. Prophase I. D. Prophase II. Answer: (B) I tried drawing out the picture and I see that Anaphase II is a possibility but why would Anaphase I be incorrect? Is there a distinction b/w males and females in where it would be Anaphase I or II? Would Klinefelter’s syndrome more affect males than females in general? Thanks.

Okay, thank you. Here is my scenerio: I was taking a preworkout supplement before I went to the gym, on and off for about a year. (Stupid, I know) The supplement name was called Jack3d, but the ingredient that I am worried about is called: 1,3 dimethylamylamine. Also called, DMAA, Methylhexanamine, forthan, forthane, floradrene, geranamine. This supplement also had a little caffeine in it. It was a bad choice, and I will never take it again. My wife is now 19 weeks pregnant and the fetus is showing many birth defects/abnormalities. Do you think that I could have caused these birth defects since I took this supplement all the way up to conceiving our child? Any…

What are interposons and what does it do? I'm studying genetics at university and this is one of the revision questions. I can't even find the answer to this anywhere: ie it's not in any of my lectures, books, nor is it on google. Help please. If anyone could explain what it is and what role it plays, it would be great. And why is it important? thnx

i have many ideas i want to put them on paper and publish or make a poster but i don't know how, if anyone can help i will be grateful for that

Hi. im a little worried. my baby is 19 month old and has blonde hair. Im a male brunette and the mother of baby is ginger. Is it possible and what are the chances of him being blonde. should i be worrying. sick of peoples comments saying he's not mine. thanks.

First of all, let me just say that I am a total amateur at this. I know practically nothing. All I know is that each parent gives us 23 chromosomes and that there are something like 100000 genes altogether that determine who we become. I am interested in how we inherit genes, and particularly genes that determine our more obvious characteristics from our parents. I am referring to noticeable characteristics like facial-bone structure/facial proportions, skin-color, hair-texture, body proportions and height as well as less obvious characteristics like blood-type, susceptibility to and/or immunity to certain diseases, etc. Let me use a dramatic example…

Hi, I am very new to forums, so apologies if I frustrate anyone. I am really just looking for general help I suppose. As the title suggests I am currently carrying out a project (as part of an MRes) that is looking to identify a promoter region of the Pax7 gene in the cichlid fish Metriaclima zebra. The reason for this is that Pax7 in certain cichlid fish is thought to be responsible to some degree for a colour polymorphism (orange-blotch). Although Pax7 does not show phenotype associated sequence differences it is thought a promoter region upstream might. I am hoping to find a candidate region through bioinformatics (an area I am totally unfamil…

Hey everyone, My names Aaron and I'm from the UK. I'm currently working towards an MRes and my interests more generally are in evolutionary biology, and I work with African cichlid fish as a model organism. My MRes involves a lot of genetics including bioinformatics, areas which I am completely new to - so any general help in this sort of area would be great.

Is it possible to use PCR in DNA sequencing ?please justify.

I would just like to know: Is it in our genes to care about what others think?? Is it inherent in us to look for aproval the way we do?? Like people that buy nice things to show off, act a certain fake way to look cool or whatever, or pursue a certain education for social status purposes. Or would you say these are more socially learned behaviours and that we're conditioned into being like this?? I'm asking this because I feel like the secret to true happiness is to simple not care what others think. However, I'm not sure if stopping to care is even possible. Thanks in advance.

Hi Does anyone know of web sites where I can copy in a DNA sequence (ie GCTAC etc.)and it will tell me where it is from or provide other information about the sequence such as its name (if it has one) what proteins it is coded for making etc. I believe that it is part of a yeast dna strand, though not 100% sure. Thanks

Firstly, I am new to the forums, and I'd like to say hi to everyone. I hope this big enough forum will be able to better educate me with intelligent critiques/opinions/debates. While I was in the midst of talking with my colleagues, I mentioned about cryonics, which later shifted to a discussion about a researcher named Aubrey de Grey... The moment I mentioned his name, a numerous amount of reactions encompassed me. As numerous as they were, all of them had the same affiliation of animosity. Heretic, fraud, naive, etc. I heard unbelievable amounts of negativity towards this researcher. And all the while, I thought to myself... Why? Now before I begin sharing …

People can anyone help me to understand the difference between nucleoid and nucleosome?

Hi all I came across two useful books on Genetics: Color Atlas of Genetics Case Studies in Genes and Disease: A Primer for Clinicians Suggest the books you people know...