I think that the answer is d
However, during prophase. I homologous chromosomes pair up and become attached to one another. At this time, crossing over<span> moves sections of DNA between homologous chromosomes and allows for </span>independent assortment<span>. particular chromosome when </span>crossing over<span> does not occur. that is the answer</span>
Since we've been using petroleum in vast amounts organizations such as OPEC have appeared which restricts the U.S which ensued our country into suing; if this lawsuit passes then we will possibly be taking more petroleum than ever before due to it's demand such as it's needed for machinery and vehicles and etc. Most petroleum are from middle eastern countries, so our dependency will run rampant which will make us adhere to any of their policies pertaining to this fossil fuel in the near future.
There are man chemical and physical changes such as geno and pheno.