Answer:
I think its cell membranes
Please correct me if I am wrong thank you
Explanation:
<span>In human beings the "master switch" that determines whether an individual will become a male is the SRY gene, which is found on the Y chromosome. The sex-determining region Y protein produced from this gene acts as a transcription factor, meaning it attaches to specific regions of DNA and helps control the activity of particular genes.</span>
Have homologous chromosomes. Diploid organisms are those that possess two set of chromosomes in their cell. Each set of chromosomes is termed as homologous chromosome where one chromosome is inherited from father and other one is inherited from mother