Your Constitution score increases by 4, and your Dexterity score increases by 1

Genes mature faster than humans, No one has ever studied genes enough to gain their lifespans.

Most Genes are Neutral. Believing in the value of a good deal.

Genes have the ability to appear between 4 and 10 feet tall based on what they feel at that time. Their bodies appear to be weightless. Your size is Medium.

Your base walking speed is 30 feet. And you have a flying speed of 50 feet.

Once per long rest you can change your size to any under 4 feet and any over 10 feet for 12 hours.

You can change you size between 4 to 10 feet 4 times a day wich you regain all used slots upon a long rest.

You can grasp things with your trunk, and you can use it as a snorkel. It has a reach of 5 feet, and it can lift a number of pounds equal to five times your Strength score. You can use it to do the following simple tasks: lift, drop, hold, push, or pull an object or a creature; open or close a door or a container; grapple someone; or make an unarmed strike.

Your trunk can be used to cast the Levitate spell for air genasi background, The pass without trace spell for the earth genasi background, The produce flames spell and the burning hands spell once you reach 3rd level for the fire genasi background, The shape water spell and the create and destroy water spell once you reach 2nd level for the water genasi. Once per long rest.

You gain the ability to hold your breath indefinitely while you’re not incapacitated. If you pick the Air Genasi Background

You gain the ability to move across difficult terrain made of earth or stone without expending extra movement. If you pick the Earth Genasi Background.

You gain the ability see in dim light within 60 feet of you as if it were bright light, and in darkness as if it were dim light. Your ties to the Elemental Plane of Fire make your darkvision unusual: everything you see in darkness is in a shade of red. You also have resistance to fire damage. If you pick the Fire Genasi Background.

You gain resistance to acid damage. The ability to breathe air and water. And you gain a swimming speed of 30 feet. If you pick the Water Genasi Background.

You can speak, read, and write Common and Loxodon and Primordial.