Which statements describe homologous structures? Check all that apply. An example of a homologous structure is the wing of a bird and an insect.
An example of a homologous structure is the forelimb of a whale, a human, and a dog.
Homologous structures have the same function but a different structure.
Homologous structures have the same structure, but may have a different function.
Homologous structures indicate a common ancestor.
Homologous structures do not indicate a common ancestor.

but there is no

i guess you forgot putting it.

examples of nucleic acids are deoxyribonucleic acid (dna) and ribonucleic acid (rna).

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.