Race transformation gene

This is a rare transformation gene for all dragonborn,lizardfolk,Kobold,and Tortle races. It makes the user's grow wings, larger horns, and a tail with this form it gives the user the same stats and abilities  as a monster of that race. They are some disadvantages.  

1.The user will not be able to use all the abilities of the monster initially. They do get 1 ability and 2 attacks at level 8 2 abilities and 4 attacks and so and so fore.

2. The user will not get Hit points, Saving throw, skills, senses, and Immunities initially. The user will get it at level 10 

3. The user Need to be going threw something traumatic in the current event but after you can activate it any time but it takes a long rest to charge it  

The user also has a ability called transformation gene transfer The user can transfer there gene to 1 to 5 people when they are at low health. This only last for 5 rounds in battle and 30 mins outside of it. They do have the same disadvantages.  Kobolds, lizardfolk, and tortle will have there own homebrew monster counterparts and dragonborns will grow according to their the characters age. (ex young dragonborn means young dragon)