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1. Their activity results/result in a range of agronomically useful traits.

2. The study of domestication of different plant species provides/provide help to comprehend the past and recent adaptive characters acquired through the activity of TEs.

3. In average 1.9, 1.6, 1.7, 1.6, and 1.7 of TEs insertion per unigenes was/were observed.

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file hat 1053. In average 1.9, 1.6, 1.7, 1.6, and 1.7 of TEs insertion per unigenes was/were observed.

This sentence is a bit messed up.

1. We normally say "on average", not "in average".

2. An average is a single number, but you have five numbers.

3. We don't use "of" when telling the number of items. It would be, for example, "2 TEs" not "2 of TEs". It would be "2 TE insertions", not "2 of TE insertions".

4. With 'per', it's usually plural per singular.

less than six per game / sixty miles per hour / $170 per week / cubic meters of water per year / ten meals per week

You have insertion per unigenes, which is singular per plural.


I think you need to rewrite this sentence.

CJ

Comments  

#1 results

#2 provides

#3 were

 CalifJim's reply was promoted to an answer.