Mutations can occur in the chromosomes of all types of cells. Mutations that are passed on to offspring must occur in what?

if you add everything up correctly you should get 69 i got this because 50 plus 19 is it

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.

occluded front i think