Phyllode resembles cladodes and phylloclade but refers to a flattened petiole that resembles a leaf blade (rather than a narrow stalk). 

Australian acacias (Acacia) have phyllodes

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#XL - T Zoology

Ockham’s principle - Principle of parsimony

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#XL - R Botany

Cohesins establish linkages between the replicated DNA molecules, which are essential for their accurate segregation later in the cell cycle. This linking mechanism is coupled to DNA replication.

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#XL - T Zoology

Adaptive introgression

When the incorporation of a foreign variant leads to an increase of the fitness of the recipient pool.

TLS Online TPP Program

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#XL - T Zoology

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#XL - Q Biochemistry

Transitional B cells bound for a follicular fate undergo positive and negative selection in the spleen.