Respuesta :
Answer:
The genetic code is considered universal because all organisms use the same genetic code. ... Proteins regulate development and embryonic development, controlling them would control an organism's characteristics.
Explanation:
Master control genes are almost universal and common to different organisms - All genes have common ancestors
Master control genes
These are the ones included in the development and differentiation of cells and tissues. It switches that trigger particular patterns of development and differentiation in cells and tissues.
These extraordinary similarities among these genes show that all these organisms have a common ancestor.
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