Which of the following is not true about controls in an experiment? A) They include all factors except the variable being tested. B) They insure that only the variables are tested. C) They are kept constant. D) There are two types, dependent and independent.

What was the purpose of mendel's experiments with dihybrid crosses? a. to determine if dna was a transforming factor b. to determine if traits could be recessive c. to determine if traits affected each other d. to determine if traits had more than one allele