Let’s suppose that a species of mosquito has two different types ofsimple transposons that we will call X elements and Z elements.The X elements appear quite stable. In a population of 100 mosquitoes,it is found that every mosquito has 6 X elements, and theyare always located in the same chromosomal locations amongdifferent individuals. In contrast, the Z elements seem to movearound quite a bit. Within the same 100 mosquitoes, the number of Z elements ranges from 2 to 14, and the locations of the Z elementstend to vary considerably among different individuals. Explainhow one simple transposon can be stable and another simple transposoncan be mobile, within the same group of individuals.
Gene Interactions
When the expression of a single trait is influenced by two or more different non-allelic genes, it is termed as genetic interaction. According to Mendel's law of inheritance, each gene functions in its own way and does not depend on the function of another gene, i.e., a single gene controls each of seven characteristics considered, but the complex contribution of many different genes determine many traits of an organism.
Gene Expression
Gene expression is a process by which the instructions present in deoxyribonucleic acid (DNA) are converted into useful molecules such as proteins, and functional messenger ribonucleic (mRNA) molecules in the case of non-protein-coding genes.
Let’s suppose that a species of mosquito has two different types of
simple transposons that we will call X elements and Z elements.
The X elements appear quite stable. In a population of 100 mosquitoes,
it is found that every mosquito has 6 X elements, and they
are always located in the same chromosomal locations among
different individuals. In contrast, the Z elements seem to move
around quite a bit. Within the same 100 mosquitoes, the number of Z elements ranges from 2 to 14, and the locations of the Z elements
tend to vary considerably among different individuals. Explain
how one simple transposon can be stable and another simple transposon
can be mobile, within the same group of individuals.
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