Anosmia, an olfactory disorder, is caused by
Answer: head injuries or the aftereffects of nasal cavity inflammation
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Before Mendel began his pea plant experiments he wondered if traits in offspring result from blending of parental traits or it they are inherited as ____________________ units
Fill in the blank(s) with correct word
You are presented with an animal that resembles a jellyfish. As you examine it further, which characteristic would allow you to conclude that it belongs to the Phylum Ctenophora rather than the Phylum Cnidaria?
A. complete digestive tract. B. tentacles. C. gonads. D. stinging cells.
Which of the following statements is TRUE about chromosomes?
a. Chromosomes are always spread out as chromatin. b. Chromosomes are always condensed. c. Homologous chromosomes have the same genes on them but can have different alleles. d. Homologous chromosomes have the same genes on them and always have the same alleles of those genes. e. Chromosomes always consist of two sister chromatids.
Which of the following procedures would be used to introduce DNA into a single mouse cell?
A. Southern blotting B. electroporation C. gene gun D. microinjection E. protoplast fusion