Downs syndrome occurs when an individual ends up with 3 copies of the 21st chromosome (trisomy 21). in what phase of meiosis could the mistake have occurred (there are two possibilities)? draw the nondisjunction event occurring.

Arrange these elements of the intrinsic conduction system in the order that a depolarizing impulse travels during a normal heartbeat. rank from first to last. do not overlap any tiles. view available hint(s) reset av nodeav bundleinternodal pathwaysbundle branchessa nodepurkinje fibers

What organelle other than the nucleus houses dna in a eukaryotic cell?

Si el equipo no fuera bueno no con el entrenador.