Exam 1 Chapters 1-6 (McGraw Hill Connect) 2026

Exam 1 Chapters 1-6 (McGraw Hill Connect) 2026 The basic unit of heredity is the ___________. - answer-gene A variation of a gene is called a(n) _______. - answer-allele The building blocks of DNA are the _____________. - answer-nucleotides A characteristic that an organism displays is called __________. - answer-trait Genetic variation is ultimately based upon which of the following? - answer-variations in the nucleotide sequences of DNA Select traits associated with prokaryotic cells. Check all that apply. Genetic information is contained within a nucleoid region. Genetic material is organized as a single circular chromosome. They have a cell wall surrounding their plasma membrane. They have membrane-bound organelles in their cytoplasm. - answer-Genetic information is contained within a nucleoid region. Genetic material is organized as a single circular chromosome. They have a cell wall surrounding their plasma membrane. Select the cells that are eukaryotic. Check all that apply. bacteria fungi protists