Which describes pleiotropy?

A) Two alleles affect many traits

B) Two alleles affect one trait

C) One gene affects one trait

D) One gene affects many traits

Glycogen is stored in pancreas T / F

What does phontosynthesis really means?

Select the correct statement about lymphocytes. (A) B cells produce plasma cells, which secrete antibodies into the blood. (B) The two main types are T cells and macrophages. (C) T cells are the precursors of B cells.

What is an ecosystem and why should human beings preserve ecosystems?

What can schools do to preserve biodiversity?

Why does photosynthesis require water? a. because water provides oxygen atoms. b. because water provides electrons. c. because water accepts electrons. d. because water acts as a catalyst.

An education guess or rational explanation about a specific phenomenon

What are the technical name for red blood cells white blood cells and platelets?

What are the resources of the ocean

Which organism actively hunts other