Answer:
A) A transgene integrated into a heterochromatic region of the genome.
Explanation:
This is most likely the reason why the transgene is not expressed in the fifth cell line. It is likely that the transgene was integrated into a heterochromatic region of the genome. Heterochromatin consists of genetically inactive satellite sequences, and many of these are repressed to various extents. Moreover, because this is a tightly packed form of DNA or condensed DNA, it is inaccesible to polymerases and thus not transcribed.
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The advantage of natural breeding are the following:
1. cattle produce may eradicated hereditary sickness.
2. the cattle that is produce is fitter, stronger and can survive through harsh condition because they are use to it.
3. they can produce better food
The kingdom of fungi is made up of variety of organisms, such as mushrooms, yeast, molds, etc. The organisms in this kingdom live by decomposing and absorbing the organic molecules on which they grow.
The major characteristics of the organisms in the fungi kingdom is that they possess hyphae, which they use for absorption of nutrients.
The organisms in the fungi kingdom are multi cellular eukaryortic and are incapable of producing their own food, that is, they are heterotrophs.
The number of protons in a neutral atom equals the number of ELECTRONS.