Which two genes are most likely to be affected by a crossing over event?

A. a pair of genes located adjacent to another on a chromosome
B. a pair of genes separated by a third gene on a chromosome
C. a pair of genes located at opposite ends of a chromosome
D. a pair of genes located on different chromosomes

Describe how a non-resistant staphylococcus aureus bacterium can produce a bacterium that is resistant to methicillin

During a fierce storm a large number of tall trees on an island are uprooted by the wind and die. most of the trees on the island are now short trees and produce seeds that grow into short trees. what concept is shown in this example? question 5 options: natural selection artificial selection genetic engineering gene splicing

Kate is studying the transformation from unicellular to multicellular organisms. which metaphor is the most appropriate to apply to the map of the timeline.