If both parents are "carriers" due to the presence of one copy of the recessive allele responsible for the trait being studied, what are the odds that they would have a normal child?
a. 0
b. 25%
c. 50%
d. 75%
e. 100%
d
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An ecosystem
(a) includes populations but not habitats. (b) is the same as a community. (c) consists of a community and the physical and chemical environment. (d) is none of the above.
An essential amino acid is one that:a
can only be obtained by eating plant and not animal protein. b. is absolutely required in large quantities for the body to function. c. is required in amounts of less than 100 milligrams per day. d. must be converted to glucose in the liver. e. cannot be made by the body, so it must be supplied in the diet.
Testosterone functions inside a cell by _____
A) acting as a signal receptor that activates tyrosine kinases B) binding with a receptor protein that enters the nucleus and activates specific genes C) acting as a steroid signal receptor that activates ion channel proteins D) coordinating a phosphorylation cascade that increases spermatogenesis
Hair cells are delicate sensors of sound, movement, and gravity. They are stimulated by movement of the stereocilia, which are actually microvilli, and the single kinocilium, which is a true cilium.One patient at your audiology clinic has an actin defect, and another patient has a microtubule defect. What sense other than hearing may be affected in these patients?
A. Touch B. Taste C. Balance D. Proprioception E. Smell