It involves plowing across hill slopes to prevent soil erosion.
They had to change they way they live which is quite difficult it is like you going to a new school in a new state and not being used to anyone
-Crossing over occurs between prophase 1 and metaphase 1 and is the process where homologous chromosomes pair up with each other and exchange different segments of their genetic material to form recombinant chromosomes. It can also happen during mitotic division, which may result in loss of heterozygosity.
