Questions tagged [drosophila]
Questions pertaining to fruit flies of the genus *Drosophila*.
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How can I non-destructively blind/cover one drosophila eye for behavioural assays?
I am looking for a protocol for non-destructively covering one eye of Drosophila for a behavioural and subsequent imaging experiment I am planning. I am aware of using wax to paint over the entire eye ...
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How would you find out which gene is causing a specific phenotype in Drosophila through crosses only?
I'd recently attended an interview and was asked a question I've been trying to get to the bottom of. The question was that there is a mutation in which some smaller drosophila are only attracted to ...
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Is crossveinless in Drosophila melanogaster example of condition mutant or phenocarpy?
This is the original question -
Ques - A researcher exposed Drosophila larvae to 37°C during their growth. One of the adult flies that emerged had a crossveinless phenotype. When this crossveinless ...
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Why do flies and fruit flies exhibit two distinctive (but not exclusive) flying patterns?
I live near a forest with a canal, and often see fruit flies, they also sometimes come in our house and occasionally feed on bits of fruit. Also, sometimes I meet regular house flies here and there, ...
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Size ratio of Drosophila bifurca gametes and implication for the definition of sex
I recently learned that males of Drosophila bifurca species have gigantic sperm cells, 5.8 cm long and they only produce few hundred such cells during its lifetime. This made me wonder if the male ...
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Accessing the recombination map of Drosophila melanogaster
I'm looking for some information on the data of a recombination map of Drosophila melanogaster. In 2012, an extensive study by Comeron et al. appeared saying that they had reconstructed a ...
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DNase annotations of Drosophila melanogaster
I am familiar that the RedFly database provides annotations for 1,458 sites in the genome of Drosophila melanogaster subject to cleavage by DNase I. It seems the vast majority of those annotations ...
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How can I decrease the generation time of Drosophila melanogaster?
I have a gene deletion strain of Drosophila melanogaster made with CRIPR/Cas9, and now I have to clean the background of this strain (TM6C balancer background) by making backcrosses with wild type. ...
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Recombination Data Set
I was looking over some genetics question and came across this data set.
In the fruit fly Drosophila melanogaster there is a dominant gene b+ for grey body color and another dominant gene c+ for ...
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Can citric acid be used as fungicide in banana based fly (Drosophila melanogaster) food?
I am experimenting with a banana based fly food for better larval synchronization. Instead of propionic acid, I am going to use (added) citric acid as fungicide. Is there any downside to this approach?...
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Where can I find the data on the geographical distribution of the species of Drosophila within various areas of the world?
Let X denote an arbitrary geographic area where drosophilas occur in the wild. I will need the answers to the questions of the following type:
What is the three most occurring species of the ...
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What does "count in gene set" mean?
I am trying to understand the analysis generated by STRING.
In analysis for biological processes table, there is a column titled "count in gene set." This gives a value for example "68 of 498".
What ...
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Preprocessing microarray data to detect increased male expression variance due to dosage compensation?
I am currently working with a dataset from a large microarray experiment where one of the aims is to look for evidence of the predicted doubling of variance in expression on the X chromosome in ...
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Assays for protein or lipid content of insect pupae
Does anyone have any recommendations (based on personal experience) for rapid, cheap, accurate assays for estimating protein & lipid content of individual insect (mosquito) pupae?
So far I've ...
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What hold and inject pressure to be used in microinjection?
I am planning to set up micro-injection apparatus in our lab. Normally what hold and inject pressures are used to inject DNA in fly embryo? I couldn't find in any literature as far as I've come across....
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