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1	In corn, the ramosa1 gene product affects:
	A)	kernel coloration
	B)	kernel size
	C)	branching of the cob
	D)	all of the above
2	The corn cobs with straight rows of kernels purchased today in markets:
	A)	lack branching completely
	B)	arose due to artificial selection by farmers
	C)	have an even number of kernel rows
	D)	b and c
	E)	all of the above
3	The twisted ear of corn seen in the video:
	A)	was exposed to a common pesticide
	B)	arose due to genetic engineering of the ramosa1 gene
	C)	came from a unique species of corn plant
	D)	none of the above
4	The "jumping genes", or transposons, mentioned in the article:
	A)	exist in plants and animals
	B)	can mutate genes
	C)	helped the scientists isolate the ramosa1 gene
	D)	a and b
	E)	all of the above