Which option best describes genes? 1) small pieces of DNA that can join each other to form a chromosome
2) small pieces of DNA that split from chromosomes
3) sequences of DNA on chromosomes
4) a single large sequence that covers almost all of a chromosome

a

explanation:

many plants naturally reproduce this way, but it can also be induced artificially. horticulturalists have developed asexual propagation techniques that use vegetative plant parts to replicate plants. success rates and difficulty of propagation vary greatly. monocotyledons typically lack a vascular cambium and therefore are harder to propagate.