Influence of genetics and environment in twins

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Explanation:

Because identical twins share all of their genes, their measurements of IQ and sleep time will be more similar the bigger role genes play in it (i.e., differences between two identical twins must be caused by the environment because their genes are the same).

answer:

if  any one of these assumptions is not met, the population will not be in  hardy-weinberg equilibrium. instead, it may evolve: allele frequencies may change from one generation to the next. allele and genotype frequencies within a single generation may also fail to satisfy the  hardy-weinberg  equation

explanation:

allele frequency