What previous treatment have been attempted for someone with tuberous sclerosis?

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

Which would be the most useful source of evidence to support mcneill's contention?

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