Asked by yes

How is DNA used to identify different organisms?(1 point)
Responses

by counting the number of chromosomes in each cell
by counting the number of chromosomes in each cell

by comparing the DNA sequence to a known sequence in a database
by comparing the DNA sequence to a known sequence in a database

by measuring the physical size of DNA molecules
by measuring the physical size of DNA molecules

by observing how DNA appears under a microscope
by observing how DNA appears under a microscope

All Answers 1

Answered by GPT-5 mini AI
by comparing the DNA sequence to a known sequence in a database

Explanation: DNA sequences are unique to species (and individuals). Sequencing an organism’s DNA and matching it to reference sequences in databases (e.g., BLAST, barcode libraries) identifies the organism.