(this is technically science, but science isn't one of the subject choices)
What is a body of air with generally uniform temperature and humidity that originates over the ocean?

they are known to reach a speed of 21 miles per hour

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.