Air, not water, is the compound of life true or false

False. Air is a mixture not a compound which automatically makes this false! There is also not a single compound of life but rather several that are referred to as the compounds of life.

the answer to the blank provided is “an autosomal gene that is required for the expression of genes on the x chromosome”.

testis-determining factor, abbreviated as td, which is more popularly known as sex-determining region y or sry protein, is a dna-binding protein or  gene-regulatory protein/transcription factor, encoded by the  sry gene. it is the gene responsible for the initiation of male gender determination in humans.