This is a topic where the Adventist Church has borrowed Christian language to define something much differently than Christians and scripture do. In the Seventh-day Adventist Bible Commentary, which cites Ellen G. White’s book, Heaven, they write:
Our personal identity is preserved in the resurrection, though not the same particles of matter or material substance as went into the grave. The wondrous works of God are a mystery to man. The spirit, the character of man, is returned to God, there to be preserved. In the resurrection every man will have his own character. God in His own time will call forth the dead, giving again the breath of life, and bidding the dry bones live. The same form will come forth, but it will be free from disease and every defect. It lives again bearing the same individuality of features, so that friend will recognize friend. There is no law of God in nature which shows that God gives back the same identical particles of matter which composed the body before death. God shall give the righteous dead a body that will please Him.
Seventh-day Adventist Bible Commentary, Vol. 6, pg. 1092-3; Ellen G. White, Heaven, pg. 40 (HVN 40.1)
Once a person dies, the personality/character (what they call your spirit) of an individual will be preserved in the memory of God who will create a new body for those found worthy of “resurrection” and then port into that new body the character/personality of the individual such that they can be recognized by others. This is more akin to cloning and isn’t what the Bible teaches or what the Christian church believes about resurrection.
In 1 Corinthians 15:20-22, Paul tells us that Jesus is the first fruits of the resurrection (the fulfillment of the type and shadow of the feast of first fruits in Leviticus 23:9-14) and that we will be like Him. He is a picture of what it will be like for the Christian to be resurrected. Jesus resurrected in the self same body that He died in (John 20:27), bearing the scars of His crucifixion forever. The same physical body that Jesus had was raised and given glorification (Philippians 3:21). This is what will happen to believers also.
Paul continues by explaining in 1 Corinthians 15:42 that what is sown (our current body) will be raised. A completely different body created with completely different particles was never sown to then be raised.
We are also told in 2 Corinthians 5:16-17 that we are “new creatures in Christ”—which means the new creation process has already begun and will consummate in the glorification of our bodies and the curse being lifted off of the current creation (Genesis 2:15-17, Romans 8:19-23). Revelation 21:5 tells us that Jesus is presently making “all things new”, not “all new things”. He came to redeem the creation that fell, which includes humanity (Colossians 1:19-20).
Jesus was not given a brand new body made of completely different particles. If this were so, He didn’t actually resurrect and His old body would have still been in the tomb. Instead, what was sown was then raised, just like Paul explains, and Jesus is the example the Bible points to as a picture for what will happen to believers in the resurrection.
