HELP HELP HELP PLS The radishes that were treated with cobalt-60 for the lab "Radical Radishes"
are expected to ___

A. contain hybridized DNA
B. look the same as normal radishes
C. have traits not found in normal radishes
D. contain radioactive DNA

genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).

weathering - colorado river carves land in arizona to form the grand canyon. cracks form in a sandstone wall surrounding a house. a marble statue near the science museum is changing color due to rainfall

erosion - after a rainstorm, soil and rock piees litter the roadways. the sand dunes in the sahara desert are changing shape.

here's your answer.