Why did scientists expect that humans would have more genes than they actually do?

In the diagram below, the northern hemisphere would be in what season at position a a.fall b. winter c.summer d.spring

What is the cause hearing loss in human being

Agene pool: a) is the collection of all the alleles found in a single species b) is the collection of all the alleles found in a single population c) is the collection of all the chromosomes found in a single population d) is the collection of genes in a species that allow the individuals to swim