Respuesta :
ff x ff is the cross that will produce only offspring with smooth leaves.
What is cross?
Cross means breeding of parents to produce offspring.
What is produce?
Produce means to generate.
What is offspring?
Offspring is the product of a cross.
f is the recessive allele of smooth leaves whereas F is the dominant allele of fuzzy leaves.
So the cross ff will give all smooth leaves where as FF will give all fuzzy leaves.
Hence the correct option is (a).
To learn more about cross and offspring here
https://brainly.com/question/26287597
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