When Mendel crossed plants that were purebred purple-flowered with plants that were purebred white-flowered, the resulting offspring all had purple flowers. When allowed to self-pollinate, this F1 generation gave rise to white-flowered plants as well as purple. As a result, Mendel determined that individual traits are
A. inherited as discrete units.
B. diluted in offspring
C. merged with successive generations.
D. lost in the pollination process.
Answer: A. inherited as discrete units.
You might also like to view...
Which of the following does not describe S. pyogenes?
A. Beta-hemolytic B. Sensitive to bacitracin C. Forms endospores D. Group A streptococcus E. Gram-positive
__________ and cues from the environment
coordinate plant development, which is the formation and growth of tissues and parts in predictable patterns. Fill in the blank(s) with the appropriate word(s).
Which of the following may occupy more than 90% of a mature plant cell's volume?
a. chromoplasts b. the rough endoplasmic reticulum c. the central vacuole d. the nucleus
Which kind of root system consists of a large central root and numerous lateral roots?
A) needle-like B) spinous C) taproot D) fibrous