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Biology, 27.06.2019 09:20 jessicagustama
Gene s controls the sharpness of spines in a type of cactus. cactuses with the dominant allele, s, have sharp spines, whereas homozygous recessive ss cactuses have dull spines. at the same time, a second gene, n, determines whether or not cactuses have spines. homozygous recessive nn cactuses have no spines at all. a cross between a true-breeding sharp-spined cactus and a spineless cactus would produce
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Gene s controls the sharpness of spines in a type of cactus. cactuses with the dominant allele, s, h...
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