The phrase "a feature that appeared" is correct and usable in written English.
It can be used when describing a characteristic or element that has emerged or become noticeable in a particular context, such as technology, design, or nature.
Example: "The latest software update includes a feature that appeared to enhance user experience significantly."
Alternatives: "a characteristic that emerged" or "an element that surfaced".
Even more ominous was a feature that appeared on AOL a couple of weeks ago called "Ten Books to Read Before You Die".
The phone updated itself over-the-air and offered my MyFaves as a feature that appeared right on the main screen.
In conclusion, this paper provides evidence that at the 4q subtelomere the linkage between D4Z4 and Beta satellite arrays is a feature that appeared late during evolution and is conserved between chimpanzee and humans.
Fourth degree polynomials were chosen over third degree polynomials for their convenience in systematically fitting the trajectory curves with two inflection points, a feature that appeared characteristic of tachyzoite invasive motions.
We also describe that PfAOP has an α-aneurism (a one residue insertion), a feature that appears characteristic of the PrxV-like group.
In June, I spoke to Potočnik for a feature that appears in New Scientist this week and he told me about Slavc's extraordinary journey across Europe.
Bisin et al. (2008) show that Muslims integrate less with respect to non-Muslims in UK, a feature that appears to be smoothed, but still significant, in second-generation immigrants.
A NASA spacecraft has spotted a big gully on Mars, a feature that appears to have formed only within the last three years.
Mutation from a Proline to any other residue (Threonine and Leucine in our study; Glutamate in a recent screen for aminoglycoside resistance) might increase the flexibility in movement of DIV, a feature that appears to play important roles during translocation.
Seventy-nine percent of the coding sequences were transcribed in the same orientation as DNA replication, a feature that appears to be common in other low GC Gram-positive bacteria [ 15].
Interestingly, the most common feature of these strongly repressed codon triplets was the presence of an adenosine (A) at position 4 and 7 of the triplet (X1X2X3- Y4Y5Y6- Z7Z8Z9), a feature that appears in one third of the codon-triplets shown below.
