Gregor Mendel concluded that each pea has two units for each trait, and each gamete contains one unit. Mendel's "units" are now referred to as ________. A) genes B) characters C) alleles D) transcription factors E) none of the above
A ________ is a portion of DNA that resides at a particular locus or site on a chromosome and encodes a particular function.
Peas were a good organism of choice for Mendel because A) They cannot self-fertilize B) They cannot cross-fertilize C) He could study one trait at a time D) The traits were difficult to visualize E) All of these are correct