Why does the DNA that makes up the chromosomes need to replicate before the start of meiosis?

In "the pig," what is the main effect that the piglet initially has on kibuka?

Pulmonary arteries carry highly oxygenated blood. true or false?

Asegment id dna that is artificially created from two or more organism through use of dna enzymes in a laboratory is called a segment of dna that is artificially created from two or more organisms through use of dna enzymes in a laboratory is called