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Otago HSFY chat - archive
- Thread starter jeavey
- Start date
- Status
There is evidence of X-Y crossover, but only in some very limited regions.
:lols:
I'mOnABoat
Regular Member
Don't worry. You can just be glad that the worst has passed. (yy)
elephantine
Regular Member
i feel totally lost for genetics :cry: could never follow what he was on about. behavioural med was fun though ^_^
SASOL
Regular Member
Are you mental?!! Lol correction do you have a disorder?
Haha oh well guess its good someone liked behavioural med
elephantine
Regular Member
LOL I didn't necessarily agree with much of the "theories" being put forward by them but I found the lectures stimulating (something I cannot say about genetics).
I might have OCD...must study, must study, must study
...:lols:ChickenPie
Regular Member
I like it how you guys use the MBChB thread to talk about the important stuff, and use the HSFY thread as a chatroom!
ish, anyway.
bah humbug, CHEM is refreshing after CELS...
ish, anyway.
bah humbug, CHEM is refreshing after CELS...
? ChickenPie
Regular Member
Transgenic simply means organisms in which the genome has been artificially modified to contain genes and alleles not present in that population or species-
ie taking a gene from from a frost-hardy plant, such as tussock grass, and putting it into the genome of a commercially important plant such as corn, to better enable the corn to resist frost.
As genes simply code for proteins and that type of thing they are much more compatible than you might think..
ie taking a gene from from a frost-hardy plant, such as tussock grass, and putting it into the genome of a commercially important plant such as corn, to better enable the corn to resist frost.
As genes simply code for proteins and that type of thing they are much more compatible than you might think..
Don't know how much you need to know about transgenic plants, but...
Transgenic plants are plants containing genes from more than one species. They are a form of genetically modified organism (GMO). An example is a protein produced by Bacillus thuringiensis that is poisonous to many insects that damage crops. The gene that produces this protein can be identified and isolated by a variety of techniques - for example, if the base sequence at each end of the gene can be identified, restriction endonucleases, if appropriately used, can splice the gene out of the surrounding DNA. This can be then transferred to the genome of a plant (e.g. a vector can be produced using restriction endonucleases and DNA ligases then inserted into the plant by Agrobacterium tumefaciens), so that plant will now express the gene and produce the protein of interest. As a result, if used as a crop, it will kill (through poisoning) insects that try to damage it, and so a better harvest will result. As the plant now has a gene from Bacillus thuringiensis (a different species) it can be regarded as transgenic.
You should learn more about transgenic plants later in CELS and go into detail on the techniques used to make them then.
Transgenic plants are plants containing genes from more than one species. They are a form of genetically modified organism (GMO). An example is a protein produced by Bacillus thuringiensis that is poisonous to many insects that damage crops. The gene that produces this protein can be identified and isolated by a variety of techniques - for example, if the base sequence at each end of the gene can be identified, restriction endonucleases, if appropriately used, can splice the gene out of the surrounding DNA. This can be then transferred to the genome of a plant (e.g. a vector can be produced using restriction endonucleases and DNA ligases then inserted into the plant by Agrobacterium tumefaciens), so that plant will now express the gene and produce the protein of interest. As a result, if used as a crop, it will kill (through poisoning) insects that try to damage it, and so a better harvest will result. As the plant now has a gene from Bacillus thuringiensis (a different species) it can be regarded as transgenic.
You should learn more about transgenic plants later in CELS and go into detail on the techniques used to make them then.
Woah, Cheers guys! that is a ton of help 
yeah I saw that this stuff actually comes later in the course, so I assume we would at most need just a general outline of what it is.
i've been working through the worksheet is it normal that I cant do some of the questions... some of the content isnt even in lectures -_-
e.g. theres one question on protein synthesis (that we havent covered yet, but ofcourse ive done it at school), I think koochkooch mentioned this earlier as coming in last years midterm.
yeah I saw that this stuff actually comes later in the course, so I assume we would at most need just a general outline of what it is.
i've been working through the worksheet is it normal that I cant do some of the questions... some of the content isnt even in lectures -_-
e.g. theres one question on protein synthesis (that we havent covered yet, but ofcourse ive done it at school), I think koochkooch mentioned this earlier as coming in last years midterm.
D
Deleted member 4350
Guest
Hey Kojiko
Protein synthesis will pop up in a subsequent module (you don't need to worry about it for now). The question I mentioned was that of the functions of proteins
^_^
Protein synthesis will pop up in a subsequent module (you don't need to worry about it for now). The question I mentioned was that of the functions of proteins
^_^
You'll learn more about protein synthesis later. The study group worksheets are often released well in advance, so they often have questions pertaining to material not yet covered.
I remember screwing up a couple of the protein synthesis questions on the study group worksheet because I considered protein synthesis to refer to all the steps from transcription onwards (which is how I learnt it at school), but the lecturer considered protein synthesis to be just another term for translation. Message - even when you've already done something at school, go to the lectures and pay attention, because the lecturer may have small differences in interpretation that can be significant when it comes to the exam!
EDIT - looks like koochkooch beat me to it...
I remember screwing up a couple of the protein synthesis questions on the study group worksheet because I considered protein synthesis to refer to all the steps from transcription onwards (which is how I learnt it at school), but the lecturer considered protein synthesis to be just another term for translation. Message - even when you've already done something at school, go to the lectures and pay attention, because the lecturer may have small differences in interpretation that can be significant when it comes to the exam!
EDIT - looks like koochkooch beat me to it...
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