Ozone in the upper atmosphere

Ayoung boy has been found and police are trying to locate his family they take a dna sample from him and begin collec dna samples from families who have missing children if police use dna samples only from the fathers, which type of dn technology can they use to identify the boy's parent? y-chromosome analysis omtdna (mitochondrial dna) analysis vntrs (variable tandem repeats) o pcr (polymerase chain reaction) analysis

What is the most appropriate method of gaining weight (muscle mass)

Describe your dna model. which part do the straws represent? the pushpins? the paper clips and the black dots you made with the marker?