The failure of chromosomes to separate during meiosis is called

a. nondisjunction.

c. Turner's syndrome.

b. X-chromosome inactivation.

d. Down syndrome.

What was Rudolph virchows was contribution to the cell theory

Which of the following organisms represents a list of nekton animals. fish, lobster, clam algae, seaweed, shrimp crab, lobster, clam fish, squid, ray A list of plankton organisms might include __.

Which set of materials would be best to use to prepare a wet mount slide of onion skin cells?

What organelle packages the material used to build the cell plate in plant cells?

The defined geographic area in which organisms are dependent on each other and interact is called an ...

Explain why clear-cutting is a more destructive method of wood harvesting than selective cutting.

Which process changes sedimentary rocks into igneous

Unlike minerals such as iron and calcium, protein is a macronutrient in the human diet. Why is protein a macronutrient?

Energy drinks have become increasingly popular. Somebody's trying to contain large amounts of caffeine which is known to increase heart rate in most individuals. This effect on the heart rate can be Dangerous because it can lead to

Which statement describes an activity of a decomposer? A) a mushroom digests and absorbs nutrients from organic matter?