Chemical-sensing cells known as in the nose and mouse are responsible for the senses of and

Depending on the organism the number of in a cell may change

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

The transport tubes for food coming down the plants are called?