can you explain these statement and why molecules of dna from two different species that are inserted into a host organism to produce new genetic combinations that are of value to science . medicine . agriculture, and industry

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A: Recombination is a technique by which pieces of DNA are broken and recombined to produce new combina...

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A: Key points Genetic drift is a mechanism of evolution in which allele frequencies of a population...

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A: Evolution is defined as the change in characteristics of individual over a period of time. 

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A: Introduction:- Homologous organs are those that have a common fundamental anatomical layout and embr...

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A: Evolution is a kind of change that shapes the present day species. It manifest lot of changes and us...

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A:

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A: A dynamic community that contains a set of physical, chemical, and biological variables in a specifi...

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A: Note: Here I answer number 2 only as mentioned by student. 

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A: Examples of diseases showing an incomplete penetrance are Huntington's disease and breast cancer. Bo...

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Genetic Evolution

Sexual reproduction produces distinct population variations. Heredity determines the traits and qualities to be passed down to the progeny. Over time, this variation within-species is also affected by the process of human evolution. The study of how genetic variation leads to evolutionary changes is known as genetic evolution. If a trait helps an organism to survive and reproduce, it is more likely to be passed down the generations. It is rare that such traits result in a completely distinct set of traits in descendants than the ancestral population; this can result in the emergence of a new species.