Final answer:
The field of genomics focuses on the study of entire genomes and their functions.
Step-by-step explanation:
True. The field of genomics focuses on the study of entire genomes, including the complete set of genes and their functions. It involves analyzing the structure, function, and interaction of genes within a species and with other species. DNA sequencing technology has contributed to advances in genomics, allowing researchers to create DNA maps of different organisms and gain a better understanding of human migration and genetic diseases.