Research: Before doing the experiment, spend some time learning about your question. Use reliable internet resources (“google” is a search engine, not a resource). Not only do you want to be an expert on your topic, you want to teach others about your topic. Cite your sources. no copyright plz

you need to inform on what the experiment is for anyone to help you

Explanation:

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.