DNA! the question is a typical descrption of it
Answer:
Hormones act as first messenger but not as second messengers.
Explanation:
Second messenger act as signaling molecule which are secreted in response to various biological signals generated by first messenger such as hormones,neurotransmitters etc.Second messengers include various bioactive molecules such as cyclic AMP(cAMP),cyclic GMP(cGMP),inositol triphosphate(IP3),diacylglycerol(DAG),calcium ions(Ca2+) etc.
Hormones are extracellular signaling molecules whereas second messengers are intracellular signaling molecules.
I wouldn’t genetically engineer my child as this has a lot of ethical concerns as certain people believe that we are created in the image of God so altering that would be deemed as wrong and sinful. Also this may have later health concerns for the child which hasn’t yet been tested so can not be sure if having designer babies is safe or not.
With this x and y pair they are male