Question

Does each chromosome vary from other chromosomes by having different genes responsible for different traits or are all the 22 pairs having the same set of genes?

Answer 1

Humans have 23 pairs of chromosomes.Each pair here are homologous chromosmes having same genes.But each pair will have different genes from others.That means we have 23 different pairs with different genes.Only a pair of homologous chromosmes have same genes on them.