What is the expected phenotypic ratio of a cross between a disc-shaped squash that is heterozygous at both loci and a long squash

Which measure of an earthquake depends on how close you are to the focus?

Which of the following is a limitation of a clinical trial? a.)amount of random assignments b.)hospital cost c.)number of test tubes d.)amount of peer review

Which is an example of a vestigial structure? a: paw of a lionb: wing of a birdc: appendix of a humand: tail of a cat(i think it's a but i'm not sure)