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Put the following structures in order from least compacted to most compacted: compacted loop domains, zig zag structures (30nm fiber), loop domains, nucleosomes, DNA double helix.

In maternal imprinting, which gene copy is imprinted? [answer1]  In maternal imprinting, which gene copy is expressed?[answer2] In paternal imprinting, which gene copy is imprinted? [answer3] In paternal imprinting, which gene copy is expressed? [asnwer4]

In mitochondrial replacement therapy, who does the offspring’s nuclear DNA come from? [answer1] In mitochondrial replacement therapy, who does the offspring’s mitochondrial DNA come from? [answer2]  

A mitochondrial disorder is depicted by the pedigree below Assume complete penetrance of the condition. What type of mutation is responsible for the disorder?

During X-inactivation, what is the term for the inactivated X? [answer2] During x-inactivation, what cells remain unaffected? [answer3]

The pressure exerted by a gas at room temperature is measured in which units?

What are the 3 components that form a nucleotide?  

What does Dalton’s Law of Partial Pressures state?

Why rinse burettes before usage? 

Burettes read to two decimal places. Assuming you titrated 10.30 mL, how many significant figures does this titrated amount have?