I believe the correct answer from the choices listed above is the second option. <span>The building blocks of a habitat consist of environmental factors. Hope this answers the question. Have a nice day.</span>
The correct answer is; <span>You conduct a dihybrid cross. a 12:1:1:4 ratio would make you suspect that the genes are linked. This is the expected phenotypic ratio for the dihybrid cross that would cause the genetic linkage i.e. formation of DNA sequences during the process of sexual reproduction. </span>