The phrase "about equal frequency" is correct and usable in written English.
It can be used when discussing the similarity in occurrence rates of two or more items or events.
Example: "The two species were found to have about equal frequency in the surveyed area, indicating a balanced ecosystem."
Alternatives: "approximately the same frequency" or "roughly equal occurrence".
However, T. mirus can be produced synthetically in both directions with about equal frequency [ 88].
They found that this method underestimates and overestimates the results with about equal frequency.
However, by 15 months, female mice had an about equal frequency of liver lesions as male mice (P=0.226).
When additional outgroups and nrDNA ribotypes were used in the annual/perennial/outgroup comparisons for ITS (data not shown), both A. thaliana and the perennial taxa had qualitatively faster substitution rates with about equal frequency.
Anencephaly and spina bifida are the most common NTDs and occur with about equal frequency, whereas encephalocele is seen less frequently.
Fig. 4A reveals that during the first two hours of starvation the split and de novo pseudopodia are extended at about equal frequency, leading to ∼1 split in between two de novo pseudopodia.
This relationship was altered in PDAC with a greater loss among MDCs than the PDCs, which brought about equal frequencies of these cells within the PBMCs.
This scenario is supported by the fact that for TSSs mapped at PyAAA sequences, the corresponding transcripts carried three or four As at about equal frequencies, which suggests that this 'one nucleotide back-shifting' phenomenon occurs about half of the time when transcription initiates on this particular motif.
A summary of the different karyotypes found for male house flies (Table 2) reveals the frequencies of YM and XM are about equal across the populations surveyed.
The prevalence of GV is approximately 0.5% in various populations [ 3], with an average age of onset at about 24 years and occurring with approximately equal frequency in males and females [ 4].
Back then, the frequencies of smokers and nonsmokers in the center of components were about equal.
