Which of the following describes the ocean biome?

A. has different levels based on how much sunlight reaches that
depth and is the largest marine biome

B. located in the photic zone and warm tropical waters with build
up of many layers of dead cnidarians

C. found where land and water meet and is covered by water at
high-tide then dry at low-tide

D. where freshwater streams meet the ocean and is a breeding
and feeding spot for birds and fish

oxygen +1 most likely

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.