What did Mendel’s cross-pollination of pea plants prove? 1.All the cells in an organism carry the same hereditary factors.
2.Inheritance of certain factors is dependent upon the genetic code
3.Certain factors are dominant, and other factors are recessive.
4.Crossing a tall plant with a tall plant will always result in a tall plant.

Up until 1938, paleontologists accepted the idea that coelacanths (an ancient fish) went extinct at the time that they last appear in the fossil record, about 80 million years ago. but in 1938, a live coelacanth was discovered off the coast of south africa that was compared to the fossil record and found to be the same species what goal of science does this discovery represent

The body of water found at number 4 on the map above is the

Which was most likely an effect on society that resulted from improvements in blood handling during world war i and world war ii?