What is defined as random arrangements of chromosome pairs at metaphase I of meiosis lead to many different combinations of chromosomes?

A ____________ is an ordered display of magnified images of an individual’s chromosomes arranged in pairs.

Human skin color is an example of ________________. 

What is the interior tissue of the leaf, each one of these cells contains many chloroplasts?

Social media have the potential to revolutionize the way organizations communicate with stakeholders.

Companies with an established brand recognition have deeper layers of social media.

Consider the following ligand exchange reaction: [Cu(NH3)4]2+(aq) + 2 en(aq) → [Cu(en)2]2+(aq) + 4 NH3(aq). What is the sign of ∆H for this reaction?

Which metals, lead and/or manganese, can be used to protect an iron object from corrosion?

The following two structures are geometric isomers.   

Which terminology would describe the following complex?