A fruit fly egg has 5 chromosomes, how many are in a skin cells? Body cell===2N
Sex cell ==&==N

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

Human genes only differ by less than percent. a. 1 b. 6 c. 11 d. 16

Nucleic acids offer variability because they contain alternate forms of genes called .