Sentences with phrase «organismal features»

In particular, it has been difficult in empirical studies to rule out the possibility that evolvability arises and is maintained as a byproduct of selection on organismal features more directly related to fitness.

«A long - standing challenge to evolutionary theory has been whether it can explain the origin of complex organismal features.

Not exact matches

Taxonomically - restricted genes, especially those that seem to have arisen de novo from non-coding sequence [50]--[55], are likely more crucial to organismal fitness than previously recognized [56], and it is becoming clear that these genes may be a common feature of many genomes [38], [57], [58].