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What kind of microorganism caused the 1918 flu?

Hultin was trying to determine 

Several processes and events can affect a population’s genetic variation. Compare the following explanations of the founder effect and identify the most accurate description that provides the best example. 

Examine this gel, DNA samples were loaded into the wells and were run at ~90V for 20 minuets. Which sample contains DNA that is largest in size? gel electrophoresis with migrating bands.png 

Identify the stage of mitosis that the cell tabled D is in.  Mitosis stages onion cells from lab handout 10.jpg 

Calico cats, which have both orange and black colors mixed with white fur are almost exclusively female. This is because the calico trait is _____ and sex-linked. 

Meiosis involves two rounds of nuclear division but only one round of DNA replication, which results in haplid cells. 

RNA contains all the same nucleotide bases as DNA, except for T which is replaced with U. 

The one of our best sources of evidence for determining events in earth’s history is 

What is the charge of nucleic acids when in an aqueous solution, like they were in the DNA extraction experiment?