Dictionary » S » Stocks


stock- the plant that provides the root system; a term used in grafting

stock strain

A bacterial or other microbial strain that has been maintained under laboratory conditions as representative of its type.

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How are balancer chromosomes introduced?

I have two fly stocks, each with the same balancer chromosome (TM2). Stock A has a mutant smg gene and Stock B has a mutant nos gene. Homozygous individuals from each stock can be identified by having a Ubx gene and dark black body. ...

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by hnanon
Mon Oct 22, 2012 3:24 am
Forum: Genetics
Topic: How are balancer chromosomes introduced?
Replies: 0
Views: 966

PCR from cDNA question

... increase number of cycles. 2. Primers. If you used primers many times before, freezing-thawing can affect their quality. Making new primers from stocks can help. I assume you checked specificity but might be worth looking again. 3. GC content. If primers/genes of interest have high GC content ...

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by dustman
Mon Jun 25, 2012 2:09 pm
Forum: Molecular Biology
Topic: PCR from cDNA question
Replies: 1
Views: 3133

Fast moving bacteria (motility)

... E. Coli and i'd like to try something else. The problem is I didnt study biology so Im not sure where to start. I have a list of what bacterial stocks are avaliable, but all they say are if its motile or not. So far ive found this http://www.youtube.com/watch?v=M5YEu4qD13I. These 'Pseudomonas ...

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by CilicThePotro
Thu Jul 21, 2011 6:30 am
Forum: Microbiology
Topic: Fast moving bacteria (motility)
Replies: 0
Views: 1705

Re: Creation of virus?

... a far more potent pathogen, which killed mice more quickly and was more contageous. The fear was that the USA and/or Russia might take their stocks of smallpox virus and modify it in a similar way to make a super biological weapon. Scary. http://txtwriter.com/Backgrounders/Bioterrorism/bioterror8.html ...

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by skeptic
Mon Mar 21, 2011 4:51 am
Forum: Microbiology
Topic: Creation of virus?
Replies: 10
Views: 4525

Can someone explain this to me???

... dominant to long tails (t). What fraction of the progeny of the cross BbTt × BBtt will have black fur and long tails?: (1/2) 2) Two true-breeding stocks of pea plants are crossed. One parent has red, axial flowers and the other has white, terminal flowers; all F1 individuals have red, axial flowers. ...

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by sharingan23
Tue Mar 16, 2010 7:44 am
Forum: Genetics
Topic: Can someone explain this to me???
Replies: 5
Views: 19160
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