Page 5 - The Regent Digest Volume 14 Issue 37_Neat
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From The Principal’s Desk
Weekly Science Focus
A Hidden Inheritance: What
Recent Research Tells Us
About Health Beyond DNA
ost of us were taught that the genes The implication is significant. Our choices,
we pass to our children are fixed. You and the conditions of our lives, may leave
Minherit what you inherit, and that is a biological record that outlasts us. Not in
that. Recent research is complicating that the DNA sequence itself, which remains
picture in ways that are genuinely surprising. unchanged, but in the chemical annotations
around it that control which genes are
A field called epigenetics looks at changes active and which are silent. Stress, diet, and
in how genes are expressed, rather than environmental exposure are all candidates
changes to the genetic code itself. Think of your for leaving these marks.
DNA as a script. Epigenetics is the director’s
notes written in the margins. The words do This is not settled science. There is active
not change, but the instructions around them debate about how significant these effects
can alter how the story is performed, and in are in humans compared to simpler
some cases those notes appear to be passed organisms, and how many generations any
from parent to child. inherited marks persist. But the direction of
the research is clear enough to take seriously,
Scientists have long known this to be true and it is moving quickly. Nature Genetics
in plants and simpler organisms. The more published new findings on intergenerational
contested and more interesting question epigenetic inheritance just this week.
is whether it applies in humans. A Q&A
published in May 2026 on Medical Xpress, For students who presented work on genetics
drawing on current research, puts the and child prodigies at our Academic Research
position clearly: epigenetic mechanisms may Presentation this week, this is the frontier. The
explain variability in disease risk that cannot question is no longer simply what genes you
be accounted for by genetics alone, and carry. It is also what your genes have been
evidence suggests some of these changes told, and by whom, and how long ago.
can be inherited across generations.
THE REGENT SECONDARY SCHOOL 5
