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Chromosome Probes At The University Of Toronto
Part 1 of Paper
.... easier to detect certain types of genetic
and prenatal diseases, as well as being used to determine paternity and
provide forensic evidence in criminal cases.
Probes are short pieces of DNA which bind to, and actually pinpoint,
particular sites on a chromosome. Because these new probes are actually
repeated hundreds .... Part 2 of Paper
.... testing involves growing fetal cells in vitro and
examining them, over one or two months, to see if there are two copies of
a particular chromosome, which is normal, or one or three, which is
abnormal. A test using Willard's probes would require only a few cells and
a few days to detect abnormalities. "I don't think it's beyond the realm
of possibility that these kinds of tests could eventually be done by an
obstetrician in the office during the early stages of pregnancy," he adds.
The deter.... |
| Number of words: 726 - Approximate pages: 3 |
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