The polled (hornless) condition (P) is dominant over horned (p). A certain polled bull is crossed to 3 cows. 1. With cow A, which is horned, a polled cow is produced;
2. With cow B, also horned, a horned cow is produced;
3. with cow C, with is polled, horned cow is produced.
What are the genotypes of the three calves and the four parents?

Answer and Explanation:

Due to technical problems, you will find the complete answer and explanation in the attached files

enzyme active site and substrate specificity

enzymes bind with chemical reactants called substrates. there may be one or more substrates for each type of enzyme, depending on the particular chemical reaction. in some reactions, a single-reactant substrate is broken down into multiple products