weismann barrier
Word Rarity
Very rare
Frequency: Zipf frequency 1.72 in modern English
22
Scrabble Score
15
Letters
5
Syllables
9
Unique Chars
Meaning
noun
The strict distinction between the "immortal" germ cell lineages producing gametes and "disposable" somatic cells in animals (but not plants), in contrast to Charles Darwin's proposed pangenesis mechanism for inheritance.