Assuming that the trait of being able to taste the sample is a dominant trait, then the tasters have at least one of that dominant trait and the people who were not tasters had the homozygous genes for the recessive trait. Therefore, the answer is
10 - 30
Fruits with tiny hooks are most likely to be spread by animal hair.
Hope this helps!
No, because it still codes for valine in this case, but if another nucleotide was changed such as GCA it would code for alanine instead.