ASAP PLEASE Which of the following statements is true?

A) Thymine pairing with adenine is a DNA mutation.

B) Tt and tt plants have the same genotype.

C) Bb and BB flowers have the same phenotype.

D) Intelligence is determined by a single genes.

Creation of an unnaturally uniform sample to represent a diverse populationcan be avoided by: a. including only willing b. asking another scientist for .c. choosing only identical participants.d. selecting individuals at random.

Has regulatory areas for thirst, hunger, body temperature, water balance, and blood pressure

Which of the following matches the organisms described with the correct domain? a. archaea--multicellular, eukaryotic organisms that do not have cell walls b. eukarya--single-celled and multicellular organisms, with a defined nucleus and a variety of nutritional sources c. bacteria--unicellular, eukaryotic organisms with cell walls that do not contain peptidoglycan d. bacteria--unicellular, eukaryotic organisms that always lack cell walls