Which process might produce a human zygote with 45 chromosomes?

The way each pair of homologous chromosomes lines up at the metaphase plate during the meiosis I.

Explanation:hope this helps (:

currents is the correct answer.

enzyme active site and substrate specificity

enzymes bind with chemical reactants called substrates. there may be one or more substrates for each type of enzyme, depending on the particular chemical reaction. in some reactions, a single-reactant substrate is broken down into multiple products