Sentence examples for has been duplication from inspiring English sources

The problem with RDs in the past has been duplication of inventory.

There has been duplication of activities and reporting roles.

This well-supported family structure (≥98% bootstrap values for the three major clades) suggests that there has been duplication and diversification within the grass lineage.

However, there have been duplication and loss events at species-level in 10 species, supporting that adaptation to local environments might partly contribute the evolution of the PGs.

Some of those first-day requests may have been duplications as readers tried repeatedly to order.

It is also interesting that in addition to the duplication that gave rise to the AaKLC2 gene lineage, there has been another duplication resulting in AaKLC2.1 and AaKLC2.2.

Consequently, there has been substantial duplication of effort and incompatible infrastructure developed across many research groups.

One of my largest issues with FriendFeed has been the duplication between commenting on Tweets (Twitter posts) which make up nearly half of all entries on FriendFeed, when Twitter itself is a two way communications tool.

Within the eudicots, there has been independent duplication in poplar and Arabidopsis.

In the lycophyte clade, there has been one duplication event leading to two copies of NRT2 in S. moellendorffii.

Although much of the deeper groupings have weak support and there has been gene duplication, there are some well-supported groupings that agree with mammalian phylogeny.