Sheep that are homozygous for a specific amino acid at codon 171 of the prion gene are completely resistant to infection with scrapie.

Name: Sheep that are homozygous for a specific amino acid at codon 171 of the prion gene are completely resistant to infection with scrapie.
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Question

Quizplus · Accepted Answer

Studies have shown that sheep that are homozygous for alanine at codon 171 of the prion gene are completely resistant to infection with scrapie. They do not develop the disease even when exposed to high levels of infectivity.

Sheep That Are Homozygous for a Specific Amino Acid at Codon