Answer:
Crossing over is termed as a process by which genetic materials are exchanged by non-sister chromatids during meiosis. Crossing over results in the new combination of information in genetic for, the cell for a specific trait. It ensures that organisms are identical from one generation to another.
Explanation:
The appropriate answer is D ! in this the dominant allele is not fully dominant ! this is seen in Snapdragon !
so answer is D
It allows scientists to explore new explanations for observations.
