How many different alleles can a gene have?

What will be an ideal response?


Theoretically, an extremely large number of possibilities exist. Various bases could change, giving a variety of alleles, and combinations of those changed bases could provide additional variety.

Biology & Microbiology

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Which of the following is/are considered (a) direct contact infection(s)?

A) syphilis B) gonorrhea C) skin infections D) syphilis, gonorrhea, and skin infections

Biology & Microbiology

In aquatic animals, the most disadvantaged in terms of respiratory media are those living in ____

a. cold saltwater b. cold freshwater c. warm saltwater d. warm freshwater e. warm brackish water

Biology & Microbiology

The hormone whose levels remain high when the body is suffering from inflammation and stress is _____

a. cortisol b. luteinizing hormone c. thymosin d. prolactin e. parathyroid hormone

Biology & Microbiology

Cellulose is

a. a polysaccharide found in cell walls. b. a component of cell membranes. c. an oligosaccharide. d. formed by hydrolysis of monosaccharides. e. a component of invertebrate exoskeletons.

Biology & Microbiology