Variations in genes are called ________. Examples of these variations include eye color. There are blue eyes, green eyes, brown eyes, and several combinations of these.

A. polymorphisms
B. alleles
C. traits
D. homeologues


Answer: B

Biology & Microbiology

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Which of the following cells contain a plasma membrane?

A. Bacterial cells only B. Animal cells only C. Animal cells, plant cells, and bacterial cells D. Animal cells and plant cells only

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The lining of the gastrovascular cavity in cnidarians will function in both ________

a. respiration and reproduction b. urination and respiration c. respiration and digestion d. immunization and digestion e. reproduction and digestion

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An individual who inherited the specific chromosome __________ deletion from the __________

would most likely have Prader-Willi syndrome rather than Angelman syndrome. a. 15; mother b. 15; father c. 21; mother d. 21; father e. 12; father

Biology & Microbiology

Chromatin is defined as ________

A) hybrid molecules of DNA and RNA B) a catalytic molecule with a protein component and an RNA component C) supercoiled loops of bacterial DNA D) DNA complexed with protein E) genetic material found only in mitochondria

Biology & Microbiology