2. ¿Cuál es el cambio más grande en la anatomía del cráneo que ocurrió desde el caballo del amanecer al caballo moderno? I NE TEST ​

d. organisms have cells with different shapes and functions.

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.

dna is a set of a gene held together by a chemical bond

answer transpiration;