In the pedigree below the trait being studied is dominant. What are the correct alleles (letters) for person 6 if we are using the letter F? A)Ff
B)df
C)FF/Ff

Which of the following lines of evidence would best support your assertion that a particular plant is an angiosperm? a) it produces seeds. b) it retains its fertilized egg within its archaegonium. c) it lacks gametangia. d) it undergoes alternation of generations.

Suggest why placing wheels under a heavy box reduces the neccessary force required to push it along at a constant speed.

Vessels draining the myocardium of the heart, open primarily ,into which chamber?