Starting at point B in the diagram below,identify which combinations of points illustrate technological change.Give a brief explanation to support your answer. 
Definitions:
Genetic Testing
The analysis of DNA, RNA, chromosomes, proteins, and certain metabolites in order to detect heritable disease-related genotypes, mutations, phenotypes, or karyotypes for clinical purposes.
Carriers
Individuals or organisms that have one copy of a recessive gene for a genetic trait or disease but do not exhibit the trait or disease themselves.
Reciprocal Translocations
A chromosome abnormality caused by exchange of segments between non-homologous chromosomes.
Nonhomologous Chromosomes
Chromosomes that are not alike and do not carry the same genes, typically one from each parent.
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