Which of the following are sources of de novo genetic variation?

In a small population of butterflies an allele for blue wings (B) exhibits complete dominance over a recessive allele for white wings (b), results in a phenotype that deters predators, and is at a frequency of 80% in the current population. In the next generation, what will the frequency of genotype BB (homozygous dominant) be?  

Who taught Darwin how to preserve tropical specimens and inspired him explore the tropics?

In the image above, there are three populations (A, B, and C) before selection (top) and after  selection (bottom). Match the type of selection depicted in each population.

What is an example of a homologous trait of all life on earth?

In the tree above, the most parsimonious reconstruction of tail spine evolution requires how many changes?

Title: “Declined with thanks” by J.S. PugheCaption: The Antis.-Here, take a dose of this anti-fat and get slim again! Uncle Sam No, Sonny!, I never did take any of that stuff, and I’m too old to begin!Complete the statement below: The political cartoon above, “Declined with thanks” by J.S. Pughe could serve as evidence that in the United States,_______________________________________________________________________

What component of dental porcelain contributes primarily to esthetics?

The potential risk that financial problems can spread through financial institutions and the financial system is referred to as ________ risk.  

____ is a deposit made to a seller that represents a buyer’s good faith to buy a home. It gives the buyer extra time to get financing and conduct the title search, property appraisal, and inspections before closing. In many ways, ____ can be considered a deposit on a home, an escrow deposit, or good faith money.