Could testing for the alu elements on chromosome 9 or 11 be used as a simple paternity test? how can i determine ,from a dna band ,the genotype (insertion or deletion) of an alu element ?

Dna is the genetic material that makes up living things, and folic acid plays an important role in the information of dna. jon wants to study the effect of folic acid on dna formation in microbes. which statement accurately describes the variables in this study

Each hereditary trait corresponds to

If jane has the blood type ab and marries john who has type o blood what are the possible phenotypes of their first kid?