Explain why 2 brothers may look very different if they have the same parents. be sure to write in complete sentences and use the term "crossing over".

What is true of all organisms in the kingdoms protista, plantae, fungi, and animalia? a. they are multi-celled. b. they are photosynthetic. c. they have cells that contain membrane-bound organelles. d. they contain cells that lack membrane-bound organelles.

What enzyme is most important for dna replication and why?

Which statement names a physical property of wood? wood does not rustwood can burnwood can rotwood is softer than coal