The failure of chromosomes to separate during anaphase is called __________

A. synapsis
B. maternal effect
C. epistasis

D. nondisjunction


D

Biology & Microbiology

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A drawback of the morphospecies concept is that it cannot be applied to:

A. polymorphic species. B. species that are very similar in appearance. C. extinct organisms (e.g., fossils). D. polymorphic and similar-looking organisms. E. all of the answer options are correct.

Biology & Microbiology

You are being asked to apply your knowledge about the properties of water.

What will be an ideal response?

Biology & Microbiology

The four elements that make up more than 96% of the weight of living organisms are oxygen, carbon, hydrogen and

calcium.

Indicate whether the statement is true or false.

Biology & Microbiology

Which of the following have thick secondary cell walls strengthened with lignin, and support plants like steel beams in a building?

A) parenchyma cells B) collenchyma cells C) sclerenchyma cells D) water-conducting cells

Biology & Microbiology