Jimmy and joanna were walking in their backyard and noticed a mushroom growing on the outside of a dead tree. jimmy claimed that the mushroom was a plant, but joanna said that it was not a plant, but a fungus. in this case, what evidence best supports joanna's claim? a) the mushroom was a producer. b) the mushroom was a autotroph. c) the mushroom was a decomposer. d) the mushroom was a heterotroph. .

b. to discover aspects of the natural world.

hopefully i .

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.