Ventricles pump blood out of the heart. which types of vessels will be the first to contact the blood from the ventricles?
arteries, atria, capillaries, veins

The right option is; Arteries

Arteries are the vessels that will be the first to contact the blood from the ventricles.

Arteries are blood vessel that transports blood from the heart to other parts of the body such as lungs and tissues. Arteries are thick, strong, and have elastic walls. The different types of arteries include muscular (distributing) arteries, elastic arteries, and arterioles.

c) 50% there are four chromosomes. after crossing over, 2 of the four have been changed. that means any gamete has a 2 in 4 chance or 50% chance of receiving the mutated chromosome.