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b and rb.

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13y ago
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6mo ago

The two genes that are closest on a genetic map of Drosophila are usually white (w) and vermilion (v) genes.

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Q: Which two genes are closest on a genetic map of Drosophila?
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What is a genetic map?

Genetic map is a graphic representation of a linkage group in the form of line which shows by points the sequence of the genes and the relative distances between the genes it contains. Genetic map is called a linkage map, or chromosome map.


What is a Linkage map?

An association between two or more genes such that the traits they control tend to be inherited together.Or more simply:A genetic map based on recombination frequencies.


Is recombination mapping and genetic mapping both means same?

Yes, it is the same. Its output is a genetic map with the right order of genes on the chromosome and their distances from each other measured in M (morgans) or cM (centimorgans), which displays the frequency of recombination between two genes.


Why do people have different face features?

People have differences in the genes that map facial features. This is why identical twins (twins with the same genetic code) have the same facial features (disregarding non-genetic factors such as scars).


What has the author Daniel L Hartl written?

Daniel L. Hartl has written: 'Principles of Population Genetics' 'The drosophila genome map' -- subject(s): Genetics, Genome mapping, Chromosome Mapping, Drosophila melanogaster, Drosophila 'A primer of population genetics' -- subject(s): Population genetics, Quantitative genetics, Problems, exercises


What is a physical map of the human genome?

A map showing genes on chromsomes .


How' linkage is used to make gene maps?

A gene map is a chromosomal map, which shows the location of genes. Based on inherited genes, a linkage can be used to create a gene map.


Suppose the genes x y z are linked and that crossing-over occurs between x and y 40 of the time between y and z 15 of the time and between x and z 25 of the time which genes are physically closest?

Also I need to draw a map of their location.


Where is a genes location along a chromosome?

Yes. That is how geneticists map genomes to find which genes you have


Who produced the first genetic map?

sturtevant


Suppose that the distance between two genes on a linkage map is 7 units The cross over freguency between the two genes is?

If the distance between two genes on a linkage map is 7 units, the cross over frequency between the two genes is still 7 units.


How many map units apart are genes A and D?

8