What are the genotypes of the parent cacti

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Reference no: EM13156017

gene A controls the sharpness of spines in a type of cactus. cactuses with the dominant allele, A, have sharp spines, whereas homozygous recessive aa cactuses have dull spines. at the same time, a second gene, N, determines whether cactuses have spines at all. Homozygous recessive nn cactuses have no spines at all.
A) the relationship between genes A and N is an example of?
B) a cactus with sharp spines is crossed with a spineless cactus. all of the offspring have spines but approximately half of the 100offspring have dull spines and half have sharp spines. what are the genotypes of the parent cacti?

Reference no: EM13156017

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