"ample choice of" is a correct and usable phrase in written English.
It is typically used to describe a large or plentiful selection of options or alternatives. Example: The bookstore had an ample choice of books on various topics, making it hard for the customer to decide which ones to purchase.
A buffet breakfast -- an ample choice of pastries, coffee, yogurt, cereal and fruit -- cost $11.
Actors like them because of the challenge of holding focus alone, and, of course, the ample choice of dressing rooms.
A good wine list featured Italian, Spanish and French labels, with an ample choice of wines by the glass.
This development was possible only because Athens had become a large city with a differentiated culture that gave the individual ample choice of a way of life, including religion.
The nation's 14,000 miles of coastline offers ample choice of secluded beaches for water-borne migrants to slip in.
This result promises the great potentials of biostructurally-mimic hollow soft semiconductors in developing photofunctional architectures, with an ample choice of secondary guest species to selectively engineer the interface physicochemistry of the hollow sphere for solar application.
The study developed a duplex SSR-based PCR protocol consisting of 48 markers, providing ample choices of non-tightly-linked loci in switchgrass whole genome, and representing a powerful, time-saving and easily used method for the identification of selfed progeny in switchgrass.
This layer proposes a number of data partitioning approaches and a complementary sampling technique, which give the user ample choice on how to reach the desired compromise.
With so many markers available on genetic linkage maps, the genes of interest to breeders are usually flanked by a large number of markers, which provides ample choice for identifying diagnostic markers desirable for MAS.
Such a large piece of DNA in a chromosome would cover thousands of closely-linked DNA markers, offering ample choice for identifying diagnostic markers for MAS through marker mining by genome sequencing and re-sequencing.
