What does the word renowned mean in paragraph 2?
a) ancient
b) difficult
c) famous
d) lengthy

c. heat from the poles back down towards the equator.

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.

answerwestern plateau,     central lowlands,     great dividing range;