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heritable change

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heritable change [¦her·əd·ə·bəl ′chānj]
(genetics)
A nonlethal genetic change that is passed on to the descendants.


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The change that can occur to an organism's genetic makeup during its own lifetime harks away from Darwin's slow evolutionary process by chance mutations and argues toward Lamarck's heritable changes within a lifetime.
95 Hardcover QP624 Epigenetics refers to those heritable changes in gene expression that are not due to any alteration in DNA sequence and, even though the term was first introduced in 1939, it has only become a field of focused activity in recent years.
By the same token, they point out that the findings are "consistent with speculation that DES exposure during a critical window in human development results in heritable changes in gene function.
 
 
 
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