Which of the following describes a hot spot?

What does polymerase chain reaction (pcr) do? o a. separates dna fragments by size o b. cuts a dna sample into fragments o c. provides an overall picture of a person's chromosomes o d. makes more copies of a sample of dna

Which worm has eyespots that are used to detect light? a fluke b marine worm c planarian d tapeworm

Preventive health behaviors rarely have much influence on health as most diseases are genetic. a. true b. false