<span>When there is a mass extinction, species that survive will combine gene pools. A gene pool is the sum of population of same species have the same genetic material. Those species that survived will combine for them to survive from extinction. If there is a combination of gene pool then there will be a possibility that evolution will happen</span>
Your answer would be A
Homologous chromosomes trade pieces of DNA.
When crossing over occurs, segments of non-sister chromatids break and then reattach to the other chromatid.
the small plakitvorus fish
A genetically modified<span> organism, or </span>GMO<span>, is an organism that has had its DNA altered or modified in some way through genetic engineering. In most cases, </span>GMOs<span>have been altered with DNA from another organism, be it a bacterium, plant, virus or animal; these organisms are sometimes referred to as "transgenic" organisms.</span>
Answer:
Religion, philosophy, and science have all wrestled with this question. One of the oldest explanations was the theory of spontaneous generation, which can be
Explanation: