Aplant can have green (g) or yellow (g) leaves. it can also have a long (k) or short (k) stem. a scientist is preparing a punnett square for a dihybrid cross of a plant with a genotype ggkk. what possible gametes can the plant produce

the answer is c on e2020, bud.

the correct answer is 2 and 4

these muscles maintain the blood pressure in the vessels. the smooth muscles are innervated by nerves of the autonomic nervous system. when the muscles contract, they cause vasoconstriction of the vessels and increase blood pressure. when the muscles relax, they enable vasodilation of the   blood vessels hence reduce blood pressure.