Answer:
SRY
Explanation:
Sex determination in mammals including humans is genetically and hormonally controlled.
Genetically gonadal sex determination is mediated by a gene called SRY. This gene is known as the mammalian Y-chromosomal testis-determining gene. It induces sex determination in males.
Recent studies revealed that SRY plays an important role in inducing Sertoli cells differentiation. The Sertoli cells, in turn, guide testis formation.
Therefore, in males, differentiation of testis is switched on by expression of the Y-linked SRY gene.
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The answer is:
<span>processing of exons in mRNA that results in a single gene coding for multiple proteins.
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RNA splicing is an important stage in gene transcription. mRNA transfers the information from DNA to proteins. In many cases, this process creates multiple proteins from the same gene by varying the exon composition. This is called alternative splicing and can happen because exons are extended or skipped, or introns can be retained instead of being removed.
As I searched on the Internet, I found out the choices and among the statements that have an incorrect description about a filtrate would be "<span>The filtrate is produced within the proximal convoluted tubule." In addition, a filtrate is usually any coarse material or liquid that passes through a filter.</span>
The answer is oxygen sediments and rock