VMBO 3 | Erfelijkheid en evolutie | 1. Genotype en fenotype | 8e editie

In this video you will learn: What chromosomes are and where they are located. How an organism's appearance is formed. What hereditary information is. What a gene is. What an allele is. Would you like to help me make more videos? Then take a look at www.petjeaf.com/biologiemetjoost