What pattern of inheritance does this pedigree chart represent? (squares are male/circles are females
a. y-linkedb) x-linked dominant traitsc) x-linked recessive traitsd) autosomal recessive traits

the cell theory states that all living things including animals, as well as plants, are made of cells.

you're crazy : )

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.

answer; three;