Describe the three different ways that could result in variation of the offspring's traits.
As I couldn't remember them all myself I found a link that goes through them and explains them pretty good for you hope it helps! http://www.ncbi.nlm.nih.gov/books/NBK22012/
Do you still need an explanation or is the link working out with you just fine? @jut21
Can u remember the Hardy–Weinberg principle, it states that allele and genotype frequencies in a population will remain constant from generation to generation in the absence of other evolutionary influences.
For that the variations limited. Can u remember those factors. NO mutations No natural selection No immigration or emigration Large population random mating Hence if u need to have variations the answers will be the opposite of those mentioned above that is, Random mating immigration and emigration Mutations (Small population) Natural selection
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