Concept explainers
a.
To determine:
The way in which one can identify or spot the enhancer in fly lines in which transgene has been integrated.
Introduction:
The technique of enhancer trapping was first developed by the scientists in Drosophila. The goal of this technique is to find the enhancer inside the genome of a particular cell.
b.
To determine:
The ways by which the technique of enhancer trapping can be used for the identification of expression of genes in the wings of a fly.
Introduction:
The technique of enhancer trapping is also used for the identification of active genes in the cell. In this technique, a large number of fly lines are created which possess a single copy of transgene.
c.
To determine:
Whether the homozygotes for any insertion of transgene possess a mutant
Introduction:
The transgene was integrated inside the genome at random locations with the help of P-element mediated transfer of genes.
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Genetics: From Genes to Genomes, 5th edition
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