Gravity effect to Pokemon type?

Question

Did Gravity is affecting Pokemon type? Like my Sigilyph using Gravity will it become only Psychic-type or will it stay in Psychic/Flying-type?

Answer 1

No, Gravity only prevents moves like Bounce and Fly from being used, and also prevents abilities like Levitate. It does not affect the typing of a Pokemon, and therefore flying types will still take super effective damage from Electric attacks, but will be able to take damage from ground type moves

Source: http://bulbapedia.bulbagarden.net/wiki/Gravity_(move)

Answer 2

Gravity negates the effects of Bounce, Fly, Splash, Jump Kick, Hi Jump Kick, Magnet Rise, and Telekinesis and the ability Air Balloon in Gen V.

It will keeps it's types, but those moves just won't work in battle.
(I'm still laughing with Splash. xD)

Hope I helped. :)
Source