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"We travel
together on a little spaceship, dependent on its vulnerable
reserves of air and soil, committed for our safety to its
security and peace, preserved from annihilation only by the
care, work, and I will say, the love we give our fragile
craft." Adlai E. Stevenson
Genetics
"Genetics
(from
Ancient Greekγενετικός
genetikos, “genitive” and that
from γένεσις
genesis, “origin”, a discipline
of
biology, is the
science of
heredity and
variation in living
organisms. The fact that living things
inherit traits from their parents has been
used since
prehistoric times to improve crop plants
and animals through
selective breeding. However, the modern
science of genetics, which seeks to
understand the process of inheritance, only
began with the work of
Gregor Mendel in the mid-nineteenth
century. Although he did not know the
physical basis for heredity, Mendel observed
that organisms inherit traits via
discrete units of inheritance, which are
now called
genes." Source:
Wikipedia
