Although bacteria and archaea do not reproduce sexually, facilitates sharing of some genetic material between distantly related lineages and has played an important role in the evolution and history of this group. A. mitochondrial fusion
B. horizontal gene transfer
C. meiotic drive
D. differential gene splicing

its probably to later but whats the question

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.