What are the 22 pairs of homologous chromosomes in human cells called?

a. alleles.

b. karyotypes.

c. autosomes.

d. sex chromosomes.

Except for gametes, all normal human cells contain A. at least one Y chromosome B. at least one X chromosome C. an X or a Y chromosome D. an X and a Y chromosome

Which statement describes the effects of farming practices such as the overuse of fertilizers? A. fewer areas have fertile soil, reducing crop variety and production b. more areas have fertile soil, reducing crop variety and production c.

Do you think that the nerve cell is actively conducting signals when Localize depolarization happen

Why is communication in science so important?

Biology, Medicine, or Engineering?

How did the development of the hela cell line affect society?

The human body is composed of cells, organs, organ system and tissues. How are these organized

Why might it be particularly beneficial for the giant spider crab to be so large?

In which stage of growth do plants rest or grow very little?

Scientists have debated the evolution of three life forms: reptiles, birds and dinosaurs. After many years of reviewing fossil records scientists proposed the evolutionary relationship seen above in the cladogram.