T:Have tail
t:no tail

-what percent of offspring will have a tail?-

50%

50 percentage

Explanation:

only the Tt will have a tail as they are hybrids and have the tail(T) as dominant characteristic

an active site is a region that is present on an enzyme where the reactants or the substrate molecules we can say bind and experience a chemical reaction. the substrate is basically a reactant whose concentration is changing and that is converting into a product after binding at the active site of an enzyme