A) various cellular organelles
B) any of a number of expensive automated scientific machines
C) processes in which we know only input and output
D) patented devices whose mechanisms are known only by the manufacturer
E) an old camera

A) dominant
B) heterozygous dominant
C) homozygous recessive
D) recessive
E) homozygous dominant

A) Identical phenotypes do not necessarily mean organisms have identical genotypes.
B) Units of inheritance come in pairs.
C) Phenotypic characteristics do not "blend" over many generations.
D) Inheritance is caused by discrete particles.
E) Units of inheritance are found on chromosomes.