If you are startled by a sudden loud noise, your nervous system is activated.

a. somatic
b. parasympathetic
c. autonomic
d. sympathetic

answer; a male inherits only one allele of the x-linked gene controlling hair color;

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.