During Mendel's second set of experiments, he allowed the F1 offspring from the first experiments to self-pollinate. Which of the following best describes
the results?
A. About 25% of the F2 offspring expressed a different version of the
studied trait than the parents had.
B. About 25% of the F2 offspring expressed the same version of the
studied trait as the parents had.
C. All the F2 offspring expressed the same version of the studied trait
as the parents had.
D. All the F2 offspring expressed a different version of the studied
trait than the parents had.

What can be found in every skeletal muscle? a. nerves, bones, cartilage, and connective tissue b. tendons, cartilage, nerves, and blood vessels c. muscle fibers, nerves, connective tissue, and blood vessels d. tendons, nerves, blood vessels, and bones

Embryonic stem cells are cells derived from an embryo. these cells can be used to create new tissues for patients suffering from certain illnesses and disorders. which statement best summarizes why the use of embryonic stem cells could be seen as unethical? a. some people consider embryos to possess rights equal to those of fully developed human beings. b. extracting stem cells from embryos is a very energy-intensive process, which consumes resources that could be used elsewhere. c. embryos are difficult to obtain, so the monetary cost of using them for research outweighs their benefit. d. the process of extracting stem cells from embryos generates biohazardous waste that cannot be safely disposed of.

The offspring of two different species