What is happening to the doubled chromosomes in step 3 and 4?

Explain nonnuclear inheritance. ~ ap biology

Question#29: why does the tropical ocean have a greater temperature range than the temperate ocean?

[34 points awarded to the best answer, use facts and/or data] 1.) what's the likelihood of thunderstorms occurring in the state of maryland? {this question is for a project for science, use facts and/or data and explain why . 34 points to the best answer]