20.
They told me that my answer was too short so I'm just adding this on, don't mind me.
The discovery of DNA, as well as understanding of its functioning and structure, may well be the most essential findings of the last century.
The impact of the discovery of DNA on medical and scientific advancement has been huge, whether it involves the manufacturing and creation of drugs to cure the deadly diseases or to identify the genes, which stimulate several of the diseases.
The understanding of DNA and its structural composition has led to the discovery of various technologies that helps in the fields like genetic testing, identifying viruses, crime investigation, production of genetically modified organisms, and various others.
Answer:
<em>The following are the reasons why the Tuli breed would be superior to exotic breeds:
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Tuli breed was augmented in Zimbabwe.
Tuli has a range of colors and has a short coat.
Cross-breeding is suitable for the Tuli breed.