Beans may be tall or short depending on one locus, and they may have long or stubby pods, depending on another locus. A tall, stubby plant was crossed with a short, long plant. The F1 plants were all tall and stubby. Which of the following PHENOTYPES do you expect to occur least often in the F2?" a. "tall, stubby"
b. "short, stubby"
c. "short, long"
d. "tall, long"

What makes a dominant allele different from a recessive allele

Cladistics is a way of classifying organisms by examining the characteristics of their ancestors and descendants and depicting the relationships in a cladogram. which of the following best describes a challenge in classifying organisms this way? a. there are millions of species on earth, and a cladogram is not a practical means for classifying all of them. b. it is impossible to tell which organisms are most closely related to each other using a cladogram. c. cladograms are detail-oriented and do not provide a useful understanding of evolutionary relationships. d. there is a limited number of ways to organize the information, so most cladograms end up looking very similar.

Eutrophication caused by human nutrient pollution.