Gene S controls the sharpness of spines in a type of cactus. Cacti with the dominant allele, S, have sharp spines, whereas homozygous recessive ss cacti have dull spines. At the same time, a second gene, N, determines whether or not cacti have spines. Homozygous recessive nn cacti have no spines at all. The relationship between genes S and N is an example of which of the following inheritance patterns:

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5 January, 15:46

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Scarlett Ray · Answer 1

Autosomal recessive

Explanation:

both of the parents are carriers thus the characteristics are carried to the next generation but not wholly