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
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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
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
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
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